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This article gives a list of individuals who have been romantically or maritally coupled with a sibling. This list does not include coupled siblings in fiction, although ones from mythology and religion are included.


Terminology

There are many terms used to describe a romantic bond between siblings, including formal nomenclature such as ''
adelphogamy Adelphogamy is a form of sexual partnership between sibling eukaryotes, especially in some species of fungi, flowering plants or ants, or in humans. In flowering plants, adelphogamy refers to sibling pollination: pollen and stigma belong to two ind ...
'', specific hyponyms such ''
twincest Incest between twins or "twincest" is a subclass of sibling incest and includes both heterosexual and homosexual relationships. One supposed case of incest between twins, in which twins who were adopted by separate families as infants later marr ...
'', or slang terms like ''sibcest''. In a heterosexual context, a female partner in such a relationship may be referred as a ''sister-wife''. A similar incestuous arrangement which is non-monogamous can be referred as ''sister-swapping'' or ''brother-swapping'', although this should not be confused with ''
berdel Sister exchange is a type of marriage agreement where two sets of siblings marry each other. In order to get married, a man needs to persuade his sister to marry the bride's brother. It is practised as a primary method of organising marriages in 3 ...
'', which describes the situation in which families exchange brides or bridegrooms.


History

While
cousin marriage A cousin marriage is a marriage where the spouses are cousins (i.e. people with common grandparents or people who share other fairly recent ancestors). The practice was common in earlier times, and continues to be common in some societies to ...
is legal in most countries, and avunculate marriage is legal in several, sexual relations between siblings are considered incestuous almost universally. Sibling incest is legally prohibited in most countries worldwide. It was historically practiced in ancient Egypt and Inca tribes. Innate sexual aversion between siblings forms due to close association in childhood, in what is known as the Westermarck effect. Children who grow up together do not normally develop sexual attraction, even if they are unrelated, and conversely, siblings who were separated at a young age may develop sexual attraction. Thus, many cases of sibling incest, including
accidental incest Accidental incest is sexual activity or marriage between persons who were unaware of a family relationship between them which would be considered incestuous. The laws of many jurisdictions void incestuous marriages, even if entered into without ...
, concern siblings who were separated at birth or at a very young age.


List of coupled siblings


Religion and mythology

*
Nüwa Nüwa, also read Nügua, is the mother goddess of Chinese mythology. She is credited with creating humanity and repairing the Pillar of Heaven. As creator of mankind, she molded humans individually by hand with yellow clay. In the Huainanz ...
and her full brother
Fuxi Fuxi or Fu Hsi (伏羲 ~ 伏犧 ~ 伏戲) is a culture hero in Chinese legend and mythology, credited along with his sister and wife Nüwa with creating humanity and the invention of music, hunting, fishing, domestication, and cooking as wel ...
, in Chinese mythology * Mashya and Mashyana in Zoroastrian mythology *
Freyr Freyr (Old Norse: 'Lord'), sometimes anglicized as Frey, is a widely attested god in Norse mythology, associated with kingship, fertility, peace, and weather. Freyr, sometimes referred to as Yngvi-Freyr, was especially associated with Sweden an ...
and his twin sister
Freyja In Norse paganism, Freyja ( Old Norse "(the) Lady") is a goddess associated with love, beauty, fertility, sex, war, gold, and seiðr (magic for seeing and influencing the future). Freyja is the owner of the necklace Brísingamen, rides a char ...
*
Halga Halga, '' Helgi'', ''Helghe'' or ''Helgo'' was a legendary Danish king living in the early 6th century. His name would in his own language (Proto-Norse) have been *''Hailaga'' (dedicated to the gods). Scholars generally agree that he appears in ...
and his daughter
Yrsa Yrsa, Yrse, Yrs or Urse (fl. 6th century)The dating has never been a matter of controversy. It is inferred from the internal chronology of the sources themselves and the dating of Hygelac's raid on Frisia to c. 516. It is also supported by archa ...
* King Arthur and his half-sister
Morgause The Queen of Orkney, today best known as Morgause and also known as Morgawse and other spellings and names, is a character in later Arthurian traditions. In some versions of the legend, including the seminal text ''Le Morte d'Arthur'', she is ...


In Egyptian mythology

* Nut and her full brother Geb * Shu and his full sister
Tefnut Tefnut ( egy, ; cop, ⲧϥⲏⲛⲉ ) is a deity of moisture, moist air, dew and rain in Ancient Egyptian religion.The Routledge Dictionary of Egyptian Gods and Goddesses, George Hart She is the sister and consort of the air god Shu and the ...
*
Osiris Osiris (, from Egyptian ''wsjr'', cop, ⲟⲩⲥⲓⲣⲉ , ; Phoenician: 𐤀𐤎𐤓, romanized: ʾsr) is the god of fertility, agriculture, the afterlife, the dead, resurrection, life, and vegetation in ancient Egyptian religion. He ...
and his full sister
Isis Isis (; ''Ēse''; ; Meroitic language, Meroitic: ''Wos'' 'a''or ''Wusa''; Phoenician language, Phoenician: 𐤀𐤎, romanized: ʾs) was a major ancient Egyptian deities, goddess in ancient Egyptian religion whose worship spread throughou ...
* Set and his full sister
Nephthys Nephthys or Nebet-Het in ancient Egyptian ( grc-gre, Νέφθυς) was a goddess in ancient Egyptian religion. A member of the Great Ennead of Heliopolis in Egyptian mythology, she was a daughter of Nut and Geb. Nephthys was typically paired wi ...


In Abrahamic religions

*
Abraham Abraham, ; ar, , , name=, group= (originally Abram) is the common Hebrews, Hebrew patriarch of the Abrahamic religions, including Judaism, Christianity, and Islam. In Judaism, he is the founding father of the Covenant (biblical), special ...
and his half sister
Sarah Sarah (born Sarai) is a biblical matriarch and prophetess, a major figure in Abrahamic religions. While different Abrahamic faiths portray her differently, Judaism, Christianity, and Islam all depict her character similarly, as that of a pio ...


In Japanese mythology

*
Izanami , formally known as , is the creator deity of both creation and death in Japanese mythology, as well as the Shinto mother goddess. She and her brother-husband Izanagi are the last of the seven generations of primordial deities that manifested ...
and her twin brother
Izanagi Izanagi (イザナギ/伊邪那岐/伊弉諾) or Izanaki (イザナキ), formally known as , is the creator deity (''kami'') of both creation and life in Japanese mythology. He and his sister-wife Izanami are the last of the seven generations of ...
* Amaterasu and her full brother Tsukuyomi


In Greek mythology

*
Uranus Uranus is the seventh planet from the Sun. Its name is a reference to the Greek god of the sky, Uranus (Caelus), who, according to Greek mythology, was the great-grandfather of Ares (Mars), grandfather of Zeus (Jupiter) and father of Cronu ...
and his full sister
Gaia In Greek mythology, Gaia (; from Ancient Greek , a poetical form of , 'land' or 'earth'),, , . also spelled Gaea , is the personification of the Earth and one of the Greek primordial deities. Gaia is the ancestral mother—sometimes parthe ...
* Cronus and his full sister Rhea. *
Phoebe Phoebe or Phœbe may refer to: __NOTOC__ People and characters * Phoebe (given name), a list of people, mythological, biblical and fictional characters * Phoebe (Greek myth), several characters * Phoebe, an epithet of Artemis/ Diana and Selene/ L ...
and her full brother Coeus. *
Hyperion Hyperion may refer to: Greek mythology * Hyperion (Titan), one of the twelve Titans * ''Hyperion'', a byname of the Sun, Helios * Hyperion of Troy or Yperion, son of King Priam Science * Hyperion (moon), a moon of the planet Saturn * ''Hyp ...
and his full sister
Theia In Greek mythology, Theia (; grc, Θεία, Theía, divine, also rendered Thea or Thia), also called Euryphaessa ( grc, Εὐρυφάεσσα) "wide-shining", is one of the twelve Titans, the children of the earth goddess Gaia and the sky god ...
*
Oceanus In Greek mythology, Oceanus (; grc-gre, , Ancient Greek pronunciation: , also Ὠγενός , Ὤγενος , or Ὠγήν ) was a Titans (mythology), Titan son of Uranus (mythology), Uranus and Gaia, the husband of his sister the Titan Tethy ...
and his full sister Tethys. *
Ceto Ceto (; grc, Κητώ, Kētṓ, sea monster) is a primordial sea goddess in Greek mythology, the daughter of Pontus and his mother, Gaia. As a mythological figure, she is considered to be one of the most ancient deities, and bore a host o ...
and her full brother
Phorcys In Greek mythology, Phorcys or Phorcus (; grc, Φόρκυς) is a primordial sea god, generally cited (first in Hesiod) as the son of Pontus and Gaia (Earth). Classical scholar Karl Kerenyi conflated Phorcys with the similar sea gods Nereu ...
*
Nyx Nyx (; , , "Night") is the Greek goddess and personification of night. A shadowy figure, Nyx stood at or near the beginning of creation and mothered other personified deities, such as Hypnos (Sleep) and Thanatos (Death), with Erebus (Darknes ...
and her full brother
Erebus In Greek mythology, Erebus (; grc, Ἔρεβος, Érebos, "deep darkness, shadow".), or Erebos, is the personification of darkness and one of the primordial deities. Hesiod's '' Theogony'' identifies him as one of the first five beings in ex ...
*
Zeus Zeus or , , ; grc, Δῐός, ''Diós'', label=genitive Boeotian Aeolic and Laconian grc-dor, Δεύς, Deús ; grc, Δέος, ''Déos'', label=genitive el, Δίας, ''Días'' () is the sky and thunder god in ancient Greek religion, ...
and his full sisters
Hera In ancient Greek religion, Hera (; grc-gre, Ἥρα, Hḗrā; grc, Ἥρη, Hḗrē, label=none in Ionic and Homeric Greek) is the goddess of marriage, women and family, and the protector of women during childbirth. In Greek mythology, she ...
and Demeter * Demeter and her full brothers
Zeus Zeus or , , ; grc, Δῐός, ''Diós'', label=genitive Boeotian Aeolic and Laconian grc-dor, Δεύς, Deús ; grc, Δέος, ''Déos'', label=genitive el, Δίας, ''Días'' () is the sky and thunder god in ancient Greek religion, ...
. and
Poseidon Poseidon (; grc-gre, Ποσειδῶν) was one of the Twelve Olympians in ancient Greek religion and myth, god of the sea, storms, earthquakes and horses.Burkert 1985pp. 136–139 In pre-Olympian Bronze Age Greece, he was venerated as a ch ...
*
Aphrodite Aphrodite ( ; grc-gre, Ἀφροδίτη, Aphrodítē; , , ) is an ancient Greek religion, ancient Greek goddess associated with love, lust, beauty, pleasure, passion (emotion), passion, and procreation. She was syncretized with the Roman god ...
and her half-brothers
Ares Ares (; grc, Ἄρης, ''Árēs'' ) is the Greek god of war and courage. He is one of the Twelve Olympians, and the son of Zeus and Hera. The Greeks were ambivalent towards him. He embodies the physical valor necessary for success in war ...
,
Hephaestus Hephaestus (; eight spellings; grc-gre, Ἥφαιστος, Hḗphaistos) is the Greek god of blacksmiths, metalworking, carpenters, craftsmen, artisans, sculptors, metallurgy, fire (compare, however, with Hestia), and volcanoes.Walter ...
,
Hermes Hermes (; grc-gre, Ἑρμῆς) is an Olympian deity in ancient Greek religion and mythology. Hermes is considered the herald of the gods. He is also considered the protector of human heralds, travellers, thieves, merchants, and orato ...
, and
Dionysus In ancient Greek religion and myth, Dionysus (; grc, Διόνυσος ) is the god of the grape-harvest, winemaking, orchards and fruit, vegetation, fertility, insanity, ritual madness, religious ecstasy, festivity, and theatre. The Romans ...
* Macareus (son of Aeolus) and his full sister Canace *
Heracles Heracles ( ; grc-gre, Ἡρακλῆς, , glory/fame of Hera), born Alcaeus (, ''Alkaios'') or Alcides (, ''Alkeidēs''), was a divine hero in Greek mythology, the son of Zeus and Alcmene, and the foster son of Amphitryon.By his adopt ...
and his half-sister Hebe


Monarchs


In Ancient Egypt

*
Smenkhkare Smenkhkare (alternatively romanized ''Smenkhare'', ''Smenkare,'' or ''Smenkhkara''; meaning "'Vigorous is the Soul of Re") was an ancient Egyptian pharaoh of unknown background who lived and ruled during the Amarna Period of the 18th Dynasty. Sm ...
and his half sister
Meritaten Meritaten, also spelled Merytaten, Meritaton or Meryetaten ( egy, mrii.t-itn) (14th century BC), was an ancient Egyptian royal woman of the Eighteenth Dynasty of Egypt. Her name means "She who is beloved of Aten"; Aten being the sun-deity whom ...
* Djet and his full sister
Merneith Merneith (also written Merit-neith and Meryt-Neith) was a consort and a regent of Ancient Egypt during the First Dynasty. She may have been a ruler of Egypt in her own right, based on several official records. If this was the case and the earli ...
*
Merneptah Merneptah or Merenptah (reigned July or August 1213 BC – May 2, 1203 BC) was the fourth pharaoh of the Nineteenth Dynasty of Ancient Egypt. He ruled Egypt for almost ten years, from late July or early August 1213 BC until his death on May 2, ...
and his full sister Isetnofret II *
Menkaure Menkaure (also Menkaura, Egyptian transliteration ''mn-k3w-Rˁ''), was an ancient Egyptian king (pharaoh) of the fourth dynasty during the Old Kingdom, who is well known under his Hellenized names Mykerinos ( gr, Μυκερῖνος) (by Her ...
and his full sister Khamerernebty II *
Seti II Seti II (or Sethos II) was the fifth pharaoh of the Nineteenth Dynasty of Egypt and reigned from  1203 BC to 1197 BC. His throne name, Userkheperure Setepenre, means "Powerful are the manifestations of Re, the chosen one of Re." H ...
and his half-sister
Twosret Twosret, also spelled ''Tawosret'' or ''Tausret'' (d. 1189 BC Conventional Egyptian chronology, conventional chronology) was the last known ruler and the final pharaoh of the Nineteenth Dynasty of Egypt. She is recorded in Manetho's Epitome as ...
*
Ahmose I Ahmose I ( egy, jꜥḥ ms(j .w), reconstructed /ʔaʕaħ'maːsjə/ ( MK), Egyptological pronunciation ''Ahmose'', sometimes written as ''Amosis'' or ''Aahmes'', meaning " Iah (the Moon) is born") was a pharaoh and founder of the Eighteen ...
and his full sister
Ahmose-Nefertari Ahmose-Nefertari (Ancient Egyptian: '' Jꜥḥ ms Nfr trj'') was the first Great Royal Wife of the 18th Dynasty of Ancient Egypt. She was a daughter of Seqenenre Tao and Ahhotep I, and royal sister and wife to Ahmose I. Her son Amenhotep ...
and his half-sister Ahmose-Henuttamehu *
Seqenenre Tao Seqenenre Tao (also Seqenera Djehuty-aa or Sekenenra Taa, called 'the Brave') ruled over the last of the local kingdoms of the Theban region of Egypt in the Seventeenth Dynasty during the Second Intermediate Period. He probably was the son an ...
and his full sisters
Ahhotep I Ahhotep I ( egy, jꜥḥ- ḥtp (.w), alternatively Anglicized ''Ahhotpe'' or ''Aahhotep'', " Iah (the Moon) is satisfied") was an ancient Egyptian queen who lived circa 1560– 1530 BC, during the end of the Seventeenth Dynasty of Egypt. She ...
and Sitdjehuti and his half-sister
Ahmose Inhapy Ahmose-Inhapy or Ahmose-Inhapi (referred to as Anhapou by Maspero) was a princess and queen of the late 17th Dynasty and early 18th Dynasty. Life She was probably a daughter of Pharaoh Senakhtenre and was sister to Pharaoh Seqenenre Tao, and th ...
* Amenhotep I. and his full sister Ahmose-Meritamun *
Thutmose I Thutmose I (sometimes read as Thutmosis or Tuthmosis I, Thothmes in older history works in Latinized Greek; Ancient Egyptian: '' ḏḥwtj- ms'', ''Tʼaḥawtī-mīsaw'', , meaning " Thoth is born") was the third pharaoh of the 18th Dynasty of ...
and his half-sister Ahmose * Thutmose II and his half-sister
Hatshepsut Hatshepsut (; also Hatchepsut; Egyptian: '' ḥꜣt- špswt'' "Foremost of Noble Ladies"; or Hatasu c. 1507–1458 BC) was the fifth pharaoh of the Eighteenth Dynasty of Egypt. She was the second historically confirmed female pharaoh, af ...
*
Akhenaten Akhenaten (pronounced ), also spelled Echnaton, Akhenaton, ( egy, ꜣḫ-n-jtn ''ʾŪḫə-nə-yātəy'', , meaning "Effective for the Aten"), was an ancient Egyptian pharaoh reigning or 1351–1334 BC, the tenth ruler of the Eighteenth ...
and an unnamed sister *
Tutankhamun Tutankhamun (, egy, twt-ꜥnḫ-jmn), Egyptological pronunciation Tutankhamen () (), sometimes referred to as King Tut, was an Egyptian pharaoh who was the last of his royal family to rule during the end of the Eighteenth Dynasty (ruled ...
and his half-sister Ankhesenamun *
Djoser Djoser (also read as Djeser and Zoser) was an ancient Egyptian pharaoh of the 3rd Dynasty during the Old Kingdom, and was the founder of that epoch. He is also known by his Hellenized names Tosorthros (from Manetho) and Sesorthos (from Euseb ...
and his half-sister Hetephernebti *
Djedefre Djedefre (also known as Djedefra and Radjedef – Modern Greek: ) was an ancient Egyptian king (pharaoh) of the 4th Dynasty during the Old Kingdom. He is well known by the Hellenized form of his name Rhatoisēs (Ῥατοίσης) by Manetho. ...
and his full sister
Hetepheres II Hetepheres II was a Queen of Ancient Egypt during the 4th Dynasty. Biography Birth and family Queen Hetepheres II may have been one of the longest-lived members of the royal family of the Fourth Dynasty of Egypt, which lasted from ca. 2723 ...
, who was previously married to her half-brother
Kawab Kawab is the name of an ancient Egyptian prince of the 4th Dynasty. He was the eldest son of King Khufu and Queen Meritites I. Kawab served as vizier and was buried in the double mastaba G 7110–7120 in the east field which is part of the Gi ...
*
Pepi II Neferkare Pepi II Neferkare (2284 BC – after 2247 BC, probably either  2216 or  2184 BC) was a pharaoh of the Sixth Dynasty in Egypt's Old Kingdom who reigned from  2278 BC. His second name, Neferkare (''Nefer-ka-Re''), means "Beautiful i ...
and his half-sisters Iput II and Ankhesenpepi III *
Intef III Intef III was the third pharaoh of the Eleventh Dynasty of Egypt during the late First Intermediate Period in the 21st century BC, at a time when Egypt was divided in two kingdoms. The son of his predecessor Intef II and father of his successo ...
and his half-sister Iah *
Mentuhotep II Mentuhotep II ( egy, Mn- ṯw- ḥtp, meaning "Mentu is satisfied"), also known under his prenomen Nebhepetre ( egy, Nb- ḥpt- Rˁ, meaning "The Lord of the rudder is Ra"), was an ancient Egyptian pharaoh, the sixth ruler of the Eleventh D ...
and his full sister Neferu II *
Senusret I Senusret I ( Middle Egyptian: z-n-wsrt; /suʀ nij ˈwas.ɾiʔ/) also anglicized as Sesostris I and Senwosret I, was the second pharaoh of the Twelfth Dynasty of Egypt. He ruled from 1971 BC to 1926 BC (1920 BC to 1875 BC), and was one of the mos ...
and his half-sister Neferu III * Senusret II and his sisters Khenemetneferhedjet I,
Nofret II Nofret II (her name means ''Beautiful One'') was an ancient Egyptian queen of the 12th dynasty. She was a daughter of Amenemhat II and wife of Senusret II., p.97 Along with Khenemetneferhedjet I she was one of the two known wives of Senusret II; ...
, Itaweret, and Khenmet *
Nubkhaes Nubkhaes (''The Gold'' Hathor.html"_;"title="Hathor">Hathor''appears'')_was_an_ancient_Egypt.html" ;"title="Hathor">Hathor.html" ;"title="Hathor.html" ;"title="Hathor">Hathor">Hathor.html" ;"title="Hathor">Hathor''appears'') was an ancient Egyp ...
and her half-brother Sobekemsaf *
Ramesses III Usermaatre Meryamun Ramesses III (also written Ramses and Rameses) was the second Pharaoh of the Twentieth Dynasty in Ancient Egypt. He is thought to have reigned from 26 March 1186 to 15 April 1155 BC and is considered to be the last great mona ...
and his half-sister Tyti *
Ramesses IV Heqamaatre Setepenamun Ramesses IV (also written Ramses or Rameses) was the third pharaoh of the Twentieth Dynasty of the New Kingdom of Ancient Egypt. He was the second son of Ramesses III and became crown prince when his elder brother Amenhe ...
and his half-sister Duatentopet * Psusennes I and his full sister Mutnedjmet * Pinedjem II and his full sister
Isetemkheb D Isetemkheb (Asetemakhbit) is the name of several noble and royal women from Ancient Egypt. * Isetemkheb A, Chief of the Harem of Amun-Re, Wife of Pinedjem I (21st Dynasty) * Isetemkheb B, Chief of the Harem of Min, possibly the daughter of Masah ...
*
Takelot II Hedjkheperre Setepenre Takelot II Si-Ese was a pharaoh of the Twenty-third Dynasty of Ancient Egypt in Middle and Upper Egypt. He has been identified as the High Priest of Amun Takelot F, son of the High Priest of Amun Nimlot C at Thebes and ...
and his half-sister
Karomama II Karomama II (full name Karomama Meritmut; also known as Karomama D, Merytmut II) was an ancient Egyptian queen, Great Royal Wife of pharaoh Takelot II of the 23rd Dynasty of Egypt. Family Karomama brought various titles such as ''King's Wife, ...
* Alara of Kush and his half-sister Kasaqa *
Kashta Kashta was an 8th century BC king of the Kushite Dynasty in ancient Nubia and the successor of Alara. His nomen ''k3š-t3'' (transcribed as Kashta, possibly pronounced /kuʔʃi-taʔ/) "of the land of Kush" is often translated directly as "The Ku ...
and his full sister Pebatjma *
Tantamani Tantamani ( egy, tnwt-jmn, Neo-Assyrian: , grc, Τεμένθης ), also known as Tanutamun or Tanwetamani (d. 653 BC) was ruler of the Kingdom of Kush located in Northern Sudan, and the last pharaoh of the Twenty-fifth Dynasty of Egypt. His ...
and his full sisters Piankharty and Setemkheb H *
Apries Apries ( grc, Ἁπρίης) is the name by which Herodotus (ii. 161) and Diodorus (i. 68) designate Wahibre Haaibre, a pharaoh of Egypt (589 BC570 BC), the fourth king (counting from Psamtik I) of the Twenty-sixth dynasty of Egypt. He was eq ...
and his full sister Ankhnesneferibre *
Piye Piye (once transliterated as Pankhy or Piankhi; d. 714 BC) was an ancient Kushite king and founder of the Twenty-fifth Dynasty of Egypt, who ruled Egypt from 744–714 BC. He ruled from the city of Napata, located deep in Nubia, modern-day Su ...
and his half-sisters Peksater and Khensa *
Shebitku Shebitku ( egy, šꜣ-bꜣ-tꜣ-kꜣ, Neo-Assyrian: , grc, Σεθῶν ) also known as Shabataka or Shebitqo, and anglicized as Sethos, was the second pharaoh of the Twenty-fifth Dynasty of Egypt who ruled from 714 BC – 705 BC, according to ...
and his half-sister Arty


In classical antiquity

*
Artemisia II of Caria Artemisia II of Caria (Greek: Ἀρτεμισία; died 350 BC) was a naval strategist, commander and the sister (and later spouse) and the successor of Mausolus, ruler of Caria. Mausolus was a satrap of the Achaemenid Empire, yet enjoyed the s ...
and her full brother
Mausolus Mausolus ( grc, Μαύσωλος or , xcr, 𐊠𐊸𐊫𐊦 ''Mauśoλ'') was a ruler of Caria (377–353 BCE) and a satrap of the Achaemenid Empire. He enjoyed the status of king or dynast by virtue of the powerful position created by h ...
* Ada of Caria and her full brother Idrieus * Arsinoe II and her full brother
Ptolemy II Philadelphus ; egy, Userkanaenre Meryamun Clayton (2006) p. 208 , predecessor = Ptolemy I , successor = Ptolemy III , horus = ''ḥwnw-ḳni'Khunuqeni''The brave youth , nebty = ''wr-pḥtj'Urpekhti''Great of strength , golde ...
and half-brother
Ptolemy Ceraunus Ptolemy Ceraunus ( grc-gre, Πτολεμαῖος Κεραυνός ; c. 319 BC – January/February 279 BC) was a member of the Ptolemaic dynasty and briefly king of Macedon. As the son of Ptolemy I Soter, he was originally heir to the thr ...
. * Erato of Armenia and her full brother Tigranes IV *
Boran Boran (also spelled Buran, Middle Persian: ; New Persian: پوران‌دخت, ''Pūrāndokht'') was Sasanian queen (or ''banbishn'') of Iran from 630 to 632, with an interruption of some months. She was the daughter of king (or '' shah'') ...
and her full brother
Kavad II Shērōē (also spelled Shīrūya, New Persian: ), better known by his dynastic name of Kavad II ( pal, 𐭪𐭥𐭠𐭲 ''Kawād''; New Persian: قباد ''Qobād'' or ''Qabād''), was king (shah) of the Sasanian Empire briefly in 628. He was ...
*
Darius II Darius II ( peo, 𐎭𐎠𐎼𐎹𐎺𐎢𐏁 ; grc-gre, Δαρεῖος ), also known by his given name Ochus ( ), was King of Kings of the Achaemenid Empire from 423 BC to 405 or 404 BC. Artaxerxes I, who died in 424 BC, was followed by h ...
and his half-sister, Parysatis *
Cambyses II Cambyses II ( peo, 𐎣𐎲𐎢𐎪𐎡𐎹 ''Kabūjiya'') was the second King of Kings of the Achaemenid Empire from 530 to 522 BC. He was the son and successor of Cyrus the Great () and his mother was Cassandane. Before his accession, Cambyse ...
and two of his sisters, Atossa and Roxanne *
Mithridates IV of Pontus Mithridates IV of Pontus, sometimes known by his full name Mithridates Philopator Philadelphus, ( gr, Mιθριδάτης ὁ Φιλoπάτωρ Φιλάδελφoς, "Mithridates the father-loving, brother-loving"; died ) was a prince and sixth rule ...
and his full sister Laodice *
Mithridates VI Eupator Mithridates or Mithradates VI Eupator ( grc-gre, Μιθραδάτης; 135–63 BC) was ruler of the Kingdom of Pontus in northern Anatolia from 120 to 63 BC, and one of the Roman Republic's most formidable and determined opponents. He was an e ...
and his full sister Laodice *
Antiochus III of Commagene Antiochus III Epiphanes ( el, , flourished 1st century BC and 1st century AD) was the ruler of the Kingdom of Commagene from 12 BC to 17 AD. He was the son and successor of King Mithridates III of Commagene and Iotapa, and of mixed Iranian,; ...
and his full sister Iotopa *
Antiochus IV of Commagene Gaius Julius Antiochus IV Epiphanes ( grc, Γάιος Ἰούλιος Ἀντίοχος ὀ Ἐπιφανής, before 17 AD – after 72 AD), the last king of Commagene, reigned between 38 and 72 as a client king to the Roman Empire. The epi ...
and his full sister Iotopa * Laodice and her full brother Mithridates VI of Pontus *
Ptolemy IV Philopator egy, Iwaennetjerwymenkhwy Setepptah Userkare Sekhemankhamun Clayton (2006) p. 208. , predecessor = Ptolemy III , successor = Ptolemy V , horus = ''ḥnw-ḳni sḫꜤi.n-sw-it.f'Khunuqeni sekhaensuitef'' The strong youth whose ...
and his full sister
Arsinoe III of Egypt Arsinoe III Philopator ( grc, Ἀρσινόη ἡ Φιλοπάτωρ, which means "Arsinoe the father-loving", 246 or 245 BC – 204 BC) was Queen of Ptolemaic Egypt in 220 – 204 BC. She was a daughter of Ptolemy III and Berenice II. She was ...
. * Cleopatra II and her full brothers
Ptolemy VI Philometor Ptolemy VI Philometor ( gr, Πτολεμαῖος Φιλομήτωρ, ''Ptolemaĩos Philomḗtōr'';"Ptolemy, lover of his Mother". 186–145 BC) was a Greek king of Ptolemaic Egypt who reigned from 180 to 164 BC and from 163 to 145 BC. Ptolemy ...
and
Ptolemy VIII Physcon Ptolemy VIII Euergetes II Tryphon ( gr, Πτολεμαῖος Εὐεργέτης Τρύφων, ''Ptolemaĩos Euergétēs Tryphon'' "Ptolemy the Benefactor; c. 184 BC – 28 June 116 BC), nicknamed Physcon ( "Fatty"), was a king of the Ptolema ...
Cleopatra II,
Ptolemy VI Philometor Ptolemy VI Philometor ( gr, Πτολεμαῖος Φιλομήτωρ, ''Ptolemaĩos Philomḗtōr'';"Ptolemy, lover of his Mother". 186–145 BC) was a Greek king of Ptolemaic Egypt who reigned from 180 to 164 BC and from 163 to 145 BC. Ptolemy ...
, and
Ptolemy VIII Physcon Ptolemy VIII Euergetes II Tryphon ( gr, Πτολεμαῖος Εὐεργέτης Τρύφων, ''Ptolemaĩos Euergétēs Tryphon'' "Ptolemy the Benefactor; c. 184 BC – 28 June 116 BC), nicknamed Physcon ( "Fatty"), was a king of the Ptolema ...
: * * * * . * .
* Ptolemy IX Soter and his full sisters Cleopatra IV and Cleopatra Selene, who later married her other full brother
Ptolemy X Alexander I Ptolemy X Alexander I ( gr, Πτολεμαῖος Ἀλέξανδρος, ''Ptolemaĩos Aléxandros'') was King of Egypt from 107 BC till his death in 88 BC, in co-regency with his mother Cleopatra III as Ptolemy Philometor Soter until 101 BC, an ...
. * Ptolemy XI Alexander II and his possible half-sister Berenice III * Ptolemy XII Auletes and his full sister
Cleopatra V Cleopatra V ( el, Κλεοπάτρα Τρύφαινα; died or ) was a Ptolemaic Queen of Egypt. She is the only surely attested wife of Ptolemy XII. Her only known child is Berenice IV, but she was also probably the mother of Cleopatra VI ...
*
Cleopatra VII Cleopatra VII Philopator ( grc-gre, Κλεοπάτρα Φιλοπάτωρ}, "Cleopatra the father-beloved"; 69 BC10 August 30 BC) was Queen of the Ptolemaic Kingdom of Ancient Egypt, Egypt from 51 to 30 BC, and its last active ruler. ...
and her full brothers
Ptolemy XIII Theos Philopator Ptolemy XIII Theos Philopator ( grc-gre, Πτολεμαῖος Θεός Φιλοπάτωρ, ''Ptolemaĩos''; c. 62 BC – 13 January 47 BC) was Pharaoh of Egypt from 51 to 47 BC, and one of the last members of the Ptolemaic dynasty (305–30 BC ...
and Ptolemy XIV Philopator * Laodice IV and her full brothers
Antiochus Antiochus is a Greek male first name, which was a dynastic name for rulers of the Seleucid Empire and the Kingdom of Commagene. In Jewish historical memory, connected with the Maccabean Revolt and the holiday of Hanukkah, "Antiochus" refers spec ...
,
Seleucus IV Philopator Seleucus IV Philopator (Greek: Σέλευκος Φιλοπάτωρ; c. 218 – 3 September 175 BC), ruler of the Hellenistic Seleucid Empire, reigned from 187 BC to 175 BC over a realm consisting of Syria (now including Cilicia and Judea), Mes ...
, and
Antiochus IV Epiphanes Antiochus IV Epiphanes (; grc, Ἀντίοχος ὁ Ἐπιφανής, ''Antíochos ho Epiphanḗs'', "God Manifest"; c. 215 BC – November/December 164 BC) was a Greek Hellenistic king who ruled the Seleucid Empire from 175 BC until his dea ...
*
Demetrius I Soter Demetrius I (Greek: ''Δημήτριος Α`'', 185 – June 150 BC), surnamed Soter (Greek: ''Σωτήρ'' - "Savior"), reigned as king ( basileus) of the Hellenistic Seleucid Empire from November 162 – June 150 BC. Demetrius grew up in Rom ...
and his full sister
Laodice V Laodice V (flourished 2nd century BC, died 150 BC) was a Seleucid princess. Through marriage to Perseus king of Macedon she was a Queen of the ruling Antigonid dynasty in Macedonia and possibly later of the Seleucid dynasty. Biography Family a ...
* Alexander II of Epirus and his half-sister Olympias II of Epirus


In Inca Peru

* Manco Cápac and his full sister Mama Ocllo. *
Sinchi Roca Sinchi Roca, Sinchi Rocca, Cinchi Roca (in Hispanicized spellings), Sinchi Ruq'a or Sinchi Ruq'a Inka ( Quechua for "valorous generous Inca") was the second Sapa Inca of the Kingdom of Cusco (beginning around 1230 CE, though as early as 1105 CE ac ...
and his half-sister
Mama Cura Sinchi Roca, Sinchi Rocca, Cinchi Roca (in Hispanicized spellings), Sinchi Ruq'a or Sinchi Ruq'a Inka (Quechua for "valorous generous Inca") was the second Sapa Inca of the Kingdom of Cusco (beginning around 1230 CE, though as early as 1105 CE acco ...
. * Topa Inca Yupanqui and his full sister
Mama Ocllo Coya The Coya Mama Ocllo Coya or only Mama Ocllo (Mama Uqllu ''iskay ñiqin'', fl 1493), was a princess and queen consort, ''Coya'', of the Inca Empire by marriage to her younger brother, the Sapa Inca Topa Inca Yupanqui (r. 1471–1493). Life Mama Oc ...
. *
Sayri Túpac Sayri Túpac (c. 1535–1561) was an Inca ruler in Peru. He was a son of siblings Manco Inca Yupanqui and Cura Ocllo.Titu Cusi Yupanqui, 2005, An Inca Account of the Conquest of Peru, Boulder: University Press of Colorado, After the death of h ...
and his full sister Cusi Huarcay *
Cura Ocllo Cura Ocllo (died 1539) was an Inca queen (''Coya''), the wife and sister of Manco Inca Yupanqui,Titu Cusi Yupanqui, 2005, An Inca Account of the Conquest of Peru, Boulder: University Press of Colorado, puppet and later remnant ruler of the Inca ...
and her full brother Manco Inca Yupanqui *
Huayna Capac Huayna Capac (with many alternative transliterations; 1464/1468–1524) was the third Sapan Inka of the Inca Empire, born in Tumipampa sixth of the Hanan dynasty, and eleventh of the Inca civilization. Subjects commonly approached Sapa Inkas a ...
and his full sisters Kuya
Kusi Rimay The Qoya, Coya Coya Cusirimay (floruit 1493), was a princess and queen consort, ''Coya'', of the Inca Empire by marriage to her brother, the Sapa Inca Huayna Capac (r 1493-1527). She was said to be responsible for the relief and well being of her pe ...
and Kuya
Rahua Ocllo The Coya Rahua Ocllo, or ''Araua Ocllo'' (floruit 1532), was a princess and queen consort, ''Coya'', of the Inca Empire by marriage to her brother, the Sapa Inca Huayna Capac (r 1493-1527). Life Rahua Ocllo was the daughter of the Inca Topa Inca Y ...
. *
Huáscar Huáscar Inca (; Quechua: ''Waskar Inka''; 1503–1532) also Guazcar was Sapa Inca of the Inca Empire from 1527 to 1532. He succeeded his father, Huayna Capac and his brother Ninan Cuyochi, both of whom died of smallpox while campaigning near Q ...
and his full sister Chuqui Huipa *
Atahualpa Atahualpa (), also Atawallpa ( Quechua), Atabalica, Atahuallpa, Atabalipa (c. 1502 – 26-29 July 1533) was the last Inca Emperor. After defeating his brother, Atahualpa became very briefly the last Sapa Inca (sovereign emperor) of the Inca Emp ...
and his half-sister Coya Asarpay


In East Asia

* Jeongjong of Goryeo and his half-sister (10th century). *
Gwangjong of Goryeo Gwangjong of Goryeo (925 – 4 July 975), personal name Wang So, was the fourth king of Goryeo. Biography Birth and early life Gwangjong was born in 925 as Wang So, fourth son of King Taejo, who had founded Goryeo in 918. His mother was Queen ...
and his half-sister. Daemok (10th century) * Deokjong of Goryeo and his half-sisters Gyeongseong and Hyosa (11th century) *
Munjong of Goryeo Munjong of Goryeo (29 December 1019 – 2 September 1083) was the 11th monarch of the Goryeo Dynasty, who ruled Korea from 1046 to 1083. King Munjong was born in 1019, and reigned from 1046 until his death in 1083. During his reign, the central ...
and his half-sister Inpyeong (11th century) * Nyaungyan Min of
Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
and his half-sister Khin Hpone Myint (16th century) * Kyawswa of Pagan and his half-sister Mi Saw U * Uzana I of Pinya and his half-sister
Atula Maha Dhamma Dewi of Pinya Atula Maha Dhamma Dewi ( my, အတုလ မဟာဓမ္မဒေဝီ, ; pi, Atulamahādhammadevī) was the chief queen consort of King Uzana I of Pinya.Hmannan Vol. 1 2003: 377 Uzana I was her half-brother. She was a paternal aunt of Kin ...
* Binnya E Law and his half-sister Sanda Min Hla *
Anaukpetlun Anaukbaklun ( my, အနောက်ဘက်လွန် ; 21 January 1578 – 9 July 1628) was the sixth king of Taungoo Burma and was largely responsible for restoring the kingdom after it collapsed at the end of 16th century. In his 22–yea ...
and his 3 half-sisters * Chulalongkorn and his half-sisters Sunandha Kumariratana,
Savang Vadhana Sri Savarindira ( th, ศรีสวรินทิรา; , 10 September 1862 – 17 December 1955), also known as Savang Vadhana ( th, สว่างวัฒนา; ), was a consort and half-sister of Chulalongkorn (Rama V), but she was no ...
, Saovabha Phongsri, Sukhumala Marasri, Daksinajar, and Thaksincha (19th century) * Sisavang Vong and his half-sisters Khamphane and Princess Khamtouan (20th century)


In Japan

* Emperor Nintoku and his 2 half-sisters Princess Yata and
Uji no Wakiiratsume is a city on the southern outskirts of the city of Kyoto, in Kyoto Prefecture, Japan. Founded on March 1, 1951, Uji is between the two ancient capitals of Nara and Kyoto. The city sits on the Uji River, which has its source in Lake Biw ...
* Prince Kinashi no Karu and his full sister Princess Karu no Ōiratsume (5th century) *
Emperor Bidatsu was the 30th Emperor of Japan,Imperial Household Agency (''Kunaichō'')敏達天皇 (30) retrieved 2013-1-31. according to the traditional order of succession. The years of reign of Bidatsu start in 572 and end in 585; however, there are no c ...
and his half-sister Empress Suiko (6th century) * Emperor Yōmei and his half-sister Anahobe no Hashihito (6th century) *
Emperor Kanmu , or Kammu, was the 50th emperor of Japan, Imperial Household Agency (''Kunaichō'') 桓武天皇 (50) retrieved 2013-8-22. according to the traditional order of succession. Kanmu reigned from 781 to 806, and it was during his reign that the sco ...
and his half-sister
Princess Sakahito was a Japanese princess, born a daughter of Emperor Kōnin. Her mother was reported to be Princess Inoue—a daughter of Emperor Shōmu, but there is another theory that her mother was Takano no Niigasa. After his father was enthroned as the emp ...
(8th century) * Emperor Heizei and 3 half-sisters * Emperor Junna and his half-sister Princess Koshi (9th century) *
Emperor Saga was the 52nd emperor of Japan, Emperor Saga, Saganoyamanoe Imperial Mausoleum, Imperial Household Agency according to the traditional order of succession. Saga's reign spanned the years from 809 through 823. Traditional narrative Saga was the ...
and his half-sister
Princess Takatsu Princess is a regal rank and the feminine equivalent of prince (from Latin ''princeps'', meaning principal citizen). Most often, the term has been used for the consort of a prince, or for the daughter of a king or prince. Princess as a subst ...
*
Emperor Seiwa was the 56th emperor of Japan,Imperial Household Agency (''Kunaichō'') 清和天皇 (56)/ref> according to the traditional order of succession. Seiwa's reign spanned the years from 858 through 876.He was also the predecessor of Takeda ryu. T ...
and his half-sister
Minamoto no Seishi was one of the surnames bestowed by the Emperors of Japan upon members of the imperial family who were excluded from the line of succession and demoted into the ranks of the nobility from 1192 to 1333. The practice was most prevalent during the ...
* Emperor Kōkaku and his adopted sister Princess Yoshiko


In the Hawaiian Islands

* Kaumualii and his half-sister Kaapuwai Kapuaamohu * Keliimaikai and his half-sister Kiilaweau * Keōua and his half-sister Manono I * Kalola Pupuka and her full brother Kamehamehanui Ailuau * Lanakawai and his half-sister Kalohialiiokawai * Laau and his full sister Kukamolimaulialoha * Pilikaaiea and his full sister Hina-au-kekele * Hinaauamai and her full brother
Koa KOA (short for Kampgrounds of America) is an American franchise of privately owned campgrounds. Having more than 500 locations across the United States and Canada, it is the world's largest system of privately owned campgrounds. It was founded in ...
* Kukohou and his half-sister Hineuki *
Kahaimoelea Kahaimoelea was a Hawaiian chief, who ruled as the ''Aliʻi Nui'' of Hawaii from 1285 to 1315. He was the sovereign king or chief of the island of Hawaii. He is sometimes referred as Kahai IV or Kahiamoeleaikaaikupou. Waipio Valley was first occup ...
and his half-sister Kapoakauluhailaa. *
Kalaunuiohua Kalaunuiohua (''nui'' = “great”, ''ohua'' = "servant") was a High Chief of the island of Hawaiʻi in ancient Hawaii. He was a member of the Pili line. Kalau is his short name. Life Kalaunuiohua was born on Hawaiʻi (the Big Island), as a so ...
and his half-sister Kaheka *
Kahoukapu Kahoukapu was an ancient Hawaiian nobleman and High Chief of the Big Island — Hawaiʻi. He was a member of the Pili line—as a descendant of Pilikaʻaiea—and an ancestor of King Kamehameha I the Great of Hawai‘i, the first ruler of the Kin ...
and his full sister Hukulani. * Keaweōpala and his half-sister Hākau * Kauakahiakua and his full sister Kāneikapōleikauila * Kalaninuiamamao and his half-sister Kekaulike-i-Kawekiuonalani * Keaweīkekahialiiokamoku and his half-sister Kalanikauleleiaiwi. * Kekuiapoiwa I and her half-brother Kekaulike * Umi-a-Liloa and his half-sister Alii Kapukini-a-Liloa * Kukailani and his half-sister Kaohukiokalani *
Keākealanikāne Keākealanikāne (1575 – 1635) (Hawaiian: ''Ke-ākea-lani Kāne'' "the male heavenly expanse") was an ''aliʻi nui'' of the island of Hawaiʻi (1605–1635). He was the sovereign of the Big Island. He is mentioned in chant ''Kumulipo''. During ...
and his half-sisters, Alii Kealiiokalani and Kealiiokalani. * Keākealaniwahine and her half-brother
Chief Kane-i-Kauaiwilani Chief may refer to: Title or rank Military and law enforcement * Chief master sergeant, the ninth, and highest, enlisted rank in the U.S. Air Force and U.S. Space Force * Chief of police, the head of a police department * Chief of the boa ...
* Haae-a-Mahi and his half-sister Kekelakekeokalani. * Keawepoepoe and his full sister Kanoena * Kīwalaō and his half-sister Kekuiapoiwa Liliha. *
Kamehameha II Kamehameha II (November 1797 – July 14, 1824) was the second king of the Kingdom of Hawaii. His birth name was Liholiho and full name was Kalaninui kua Liholiho i ke kapu ʻIolani. It was lengthened to Kalani Kaleiʻaimoku o Kaiwikapu o Laʻ ...
and his half-sisters Kamāmalu, Kīnau, and Kekāuluohi *
Kamehameha III Kamehameha III (born Kauikeaouli) (March 17, 1814 – December 15, 1854) was the third king of the Kingdom of Hawaii from 1825 to 1854. His full Hawaiian name is Keaweaweula Kīwalaō Kauikeaouli Kaleiopapa and then lengthened to Keaweaweula Kī ...
and his full sister Nahienaena


In medieval and renaissance Europe

* John V of Armagnac and his full sister Isabelle of Armagnac (15th century) *
Julien and Marguerite de Ravalet Julien and Marguerite de Ravalet were the children of Jean III de Ravalet, lord of Tourlaville and Madeleine de Hennot, Madame of Tourlaville. They were executed on December 2, 1603 in Place de Grève in Paris for adultery and incest. Background ...
, full siblings (16th century)


Suspected/disputed

*
Caligula Gaius Julius Caesar Augustus Germanicus (31 August 12 – 24 January 41), better known by his nickname Caligula (), was the third Roman emperor, ruling from 37 until his assassination in 41. He was the son of the popular Roman general Germanic ...
and his full sisters Julia Livilla, Drusilla, and
Agrippina the Younger Julia Agrippina (6 November AD 15 – 23 March AD 59), also referred to as Agrippina the Younger, was Roman empress from 49 to 54 AD, the fourth wife and niece of Emperor Claudius. Agrippina was one of the most prominent women in the Julio-Cl ...
*
Herod Agrippa II Herod Agrippa II (; AD 27/28 – or 100), officially named Marcus Julius Agrippa and sometimes shortened to Agrippa, was the last ruler from the Herodian dynasty, reigning over territories outside of Judea as a Roman client. Agrippa II fle ...
and his full sister
Berenice (daughter of Herod Agrippa) Berenice of Cilicia, also known as Julia Berenice and sometimes spelled Bernice (, ''Bereníkē'' or ''Berníkē''; 28 – after 81), was a Jewish client queen of the Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Β ...
*
Lord Byron George Gordon Byron, 6th Baron Byron (22 January 1788 – 19 April 1824), known simply as Lord Byron, was an English romantic poet and Peerage of the United Kingdom, peer. He was one of the leading figures of the Romantic movement, and h ...
and his half-sister Augusta Leigh *
Lucrezia Borgia Lucrezia Borgia (; ca-valencia, Lucrècia Borja, links=no ; 18 April 1480 – 24 June 1519) was a Spanish-Italian noblewoman of the House of Borgia who was the daughter of Pope Alexander VI and Vannozza dei Cattanei. She reigned as the Gover ...
and her full brother
Cesare Borgia Cesare Borgia (; ca-valencia, Cèsar Borja ; es, link=no, César Borja ; 13 September 1475 – 12 March 1507) was an Italian ex- cardinal and '' condottiero'' (mercenary leader) of Aragonese (Spanish) origin, whose fight for power was a major ...


Other

*
Patrick Stübing Patrick may refer to: *Patrick (given name), list of people and fictional characters with this name *Patrick (surname), list of people with this name People *Saint Patrick (c. 385–c. 461), Christian saint *Gilla Pátraic (died 1084), Patrick or ...
and his full sister Susan Karolewski * George of Izla and his sister Maria. * Norodom Sutharot and his half-sister Norodom Phangangam, grandfather and grandmother of
Norodom Sihanouk Norodom Sihanouk (; km, នរោត្តម សីហនុ, ; 31 October 192215 October 2012) was a Cambodian statesman, Sangkum and FUNCINPEC politician, film director, and composer who led Cambodia in various capacities throughout hi ...


See also

* Avunculate marriage *
Consanguinity Consanguinity ("blood relation", from Latin '' consanguinitas'') is the characteristic of having a kinship with another person (being descended from a common ancestor). Many jurisdictions have laws prohibiting people who are related by blood fr ...
*
Cousin marriage A cousin marriage is a marriage where the spouses are cousins (i.e. people with common grandparents or people who share other fairly recent ancestors). The practice was common in earlier times, and continues to be common in some societies to ...
* List of coupled cousins *


References


Bibliography

* * * * * * * * * * * * * {{Incest Lists of sibling groups Incest Lists of couples