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is a member of the
Imperial House of Japan The , also referred to as the Imperial Family or the House of Yamato, comprises those members of the extended family of the reigning Emperor of Japan who undertake official and public duties. Under the present Constitution of Japan, the Emperor i ...
and the younger brother of Emperor emeritus Akihito. He is the second son and sixth born child of
Emperor Shōwa Emperor , commonly known in English-speaking countries by his personal name , was the 124th emperor of Japan, ruling from 25 December 1926 until his death in 1989. Hirohito and his wife, Empress Kōjun, had two sons and five daughters; he was ...
and
Empress Kōjun , born , was a member of the Imperial House of Japan, the wife of Emperor Shōwa (Hirohito) and the mother of Shigeko Higashikuni, Princess Sachiko Hisa-nomiya, Kazuko Takatsukasa, Atsuko Ikeda, the Emperor Emeritus Akihito, Prince Masahito ...
and is third in
line Line most often refers to: * Line (geometry), object with zero thickness and curvature that stretches to infinity * Telephone line, a single-user circuit on a telephone communication system Line, lines, The Line, or LINE may also refer to: Arts ...
to the
Chrysanthemum Throne The is the throne of the Emperor of Japan. The term also can refer to very specific seating, such as the throne in the Shishin-den at Kyoto Imperial Palace. Various other thrones or seats that are used by the Emperor during official functions, ...
. Nobody follows Prince Hitachi in the line of succession. He is mainly known for philanthropic activities and his research on the causes of cancer.


Early life and education

Born at
Tokyo Imperial Palace The is the main residence of the Emperor of Japan. It is a large park-like area located in the Chiyoda district of the Chiyoda ward of Tokyo and contains several buildings including the where the Emperor has his living quarters, the where va ...
in
Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.468 ...
, Masahito held the childhood appellation . Masahito received his primary and secondary schooling at the
Gakushūin The or Peers School (Gakushūin School Corporation), initially known as Gakushūjo, is a Japanese educational institution in Tokyo, originally established to educate the children of Japan's nobility. Nussbaum, Louis-Frédéric. (2002)"Gakushū- ...
Peers' School. In late 1944, the
Imperial Household Ministry The (IHA) is an agency of the government of Japan in charge of state matters concerning the Imperial Family, and also the keeping of the Privy Seal and State Seal of Japan. From around the 8th century AD, up until the Second World War, it ...
evacuated Prince Yoshi and the Crown Prince to
Nikkō is a city located in Tochigi Prefecture, Japan. , the city had an estimated population of 80,239 in 36,531 households, and a population density of 55 persons per km2. The total area of the city is . It is a popular destination for Japanese and ...
, to escape the American
bombing of Tokyo The was a series of firebombing air raids by the United States Army Air Force during the Pacific campaigns of World War II. Operation Meetinghouse, which was conducted on the night of 9–10 March 1945, is the single most destructive bombing ...
. After the war, from 1947 to 1950, Mrs.
Elizabeth Gray Vining Elizabeth Janet Gray Vining (October 6, 1902 – November 27, 1999) was an American professional librarian and author who tutored Emperor Akihito of Japan in English while he was crown prince. She was also a noted author, whose children's book ...
tutored both princes and their sisters, the Princesses Kazuko, Atsuko, and Takako, in the English language. Her account of the experience is entitled ''Windows for the Crown Prince'' (1952). Prince Yoshi received his undergraduate degree in chemistry from the Faculty of Science at
Gakushuin University is a private university in Mejiro, Toshima Ward, Tokyo. It was re-established after World War II as an affiliate of the Gakushūin School Corporation. The privatized successor to the original Gakushūin University (or "Peers School") was estab ...
in 1958. He subsequently did postgraduate work in the Faculty of Science at
Tokyo University , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...
. In 1969, he became a Research Associate of the
Japanese Foundation for Cancer Research The (JFCR) is a non-profit cancer research organization based in Ariake, Tokyo. The JFCR was founded in 1908 as the first Japanese organization specializing in cancer by Katsusaburō Yamagiwa and his supporters. The Cancer Institute and its att ...
specializing in the study of cellular division. The results of his research have been reported in the technical journals of the Japanese Cancer Association, as well as of the American Association for Cancer Research. In 1997, Prince Hitachi received an
honorary doctorate An honorary degree is an academic degree for which a university (or other degree-awarding institution) has waived all of the usual requirements. It is also known by the Latin phrases ''honoris causa'' ("for the sake of the honour") or ''ad hon ...
from
George Washington University , mottoeng = "God is Our Trust" , established = , type = Private federally chartered research university , academic_affiliations = , endowment = $2.8 billion (2022) , preside ...
in the United States, and in April 2001 received another from the
University of Minnesota The University of Minnesota, formally the University of Minnesota, Twin Cities, (UMN Twin Cities, the U of M, or Minnesota) is a public university, public Land-grant university, land-grant research university in the Minneapolis–Saint Paul, Tw ...
. In March 1999, he became an honorary member of the German Association for Cancer Research, in recognition of his significant scientific contributions to the field of cancer research.


Marriage

On 30 September 1964, the Prince married Hanako Tsugaru (born 19 July 1940), fourth daughter of the late Yoshitaka Tsugaru, a former
count Count (feminine: countess) is a historical title of nobility in certain European countries, varying in relative status, generally of middling rank in the hierarchy of nobility. Pine, L. G. ''Titles: How the King Became His Majesty''. New York: ...
and a descendant of the
daimyō were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast, hereditary land holdings. They were subordinate to the shogun and n ...
of Tsugaru Domain. The following day, Emperor Shōwa granted him the title ''Hitachi-no-miya'' (Prince Hitachi), and authorization to start a new branch of the Imperial Family in celebration of his wedding. Prince and Princess Hitachi have their official residence in a palace in large gardens off Komazawadori in
Higashi, Shibuya is a residential district of the Shibuya ward in Tokyo surrounded by the residential areas of Hiroo, Ebisu, Daikanyama and Aoyama. Prince Hitachi and Princess Hitachi have their official residence in a palace in large gardens off Komazawado ...
. They have no children. In September 2021, the Japanese government considered plans to amend the
Imperial Household Law is a statute in Japanese law that governs the line of imperial succession, the membership of the imperial family, and several other matters pertaining to the administration of the Imperial Household. In 2017, the National Diet changed the law ...
and allow Prince Hitachi to adopt a male member of the former
shinnōke was the collective name for the four cadet branches of the Imperial family of Japan, which were until 1947 entitled to provide a successor to the Chrysanthemum throne if the main line failed to produce an heir. The heads of these royal houses h ...
or
ōke The , also known as the ''Old Imperial Family'' (旧皇族), were branches of the Japanese Imperial Family created from branches of the Fushimi-no-miya house, the last surviving Shinnōke cadet branch. All but one of these ''ōke'' (王家) were ...
collateral branches of the imperial family in an effort to address the
Japanese imperial succession debate From 2005 to 2012, Japan discussed the possibility of changing the laws of succession to the Chrysanthemum Throne, which is currently limited to males of the Japanese Imperial Family. As of 2021, there are three people in the line of successi ...
.


Public service

Prince Hitachi is the honorary president of a wide variety of charitable organizations, especially those involving international exchange. Most recently, Prince and Princess Hitachi visited
Nicaragua Nicaragua (; ), officially the Republic of Nicaragua (), is the largest country in Central America, bordered by Honduras to the north, the Caribbean to the east, Costa Rica to the south, and the Pacific Ocean to the west. Managua is the cou ...
and
El Salvador El Salvador (; , meaning " The Saviour"), officially the Republic of El Salvador ( es, República de El Salvador), is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south b ...
, to mark the 70th anniversary of the establishment of
diplomatic relations Diplomacy comprises spoken or written communication by representatives of states (such as leaders and diplomats) intended to influence events in the international system.Ronald Peter Barston, ''Modern diplomacy'', Pearson Education, 2006, p. 1 ...
with both countries in October 2005. They also made a visit to France in September 2007 and
Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...
, marking the celebration of 110 years since the establishment of a Japanese community in this country, June 2009.


Titles and styles

* 28 November 1935 – 1 October 1964: ''His Imperial Highness'' Prince Yoshi * 1 October 1964 – present: ''His Imperial Highness'' Prince Hitachi


Honours


National honours

*: Grand Cordon of the
Order of the Chrysanthemum is Japan's highest order. The Grand Cordon of the Order was established in 1876 by Emperor Meiji of Japan; the Collar of the Order was added on 4 January 1888. Unlike its European counterparts, the order may be conferred posthumously. Apart f ...
(28 November 1955)


Foreign honours

* : Knight of the
Order of the Elephant The Order of the Elephant ( da, Elefantordenen) is a Danish order of chivalry and is Denmark's highest-ranked honour. It has origins in the 15th century, but has officially existed since 1693, and since the establishment of constitutional ...
(28 September 1965) * : Knight Grand Cross of the
Order of Merit of the Italian Republic The Order of Merit of the Italian Republic ( it, Ordine al Merito della Repubblica Italiana) is the senior Italian order of merit. It was established in 1951 by the second President of the Italian Republic, Luigi Einaudi. The highest-ranking ...
(22 November 1965) * : Member of the Order of the Benevolent Ruler (19 April 1960)Omsa.org
/ref>


Honorary degree

*
George Washington University , mottoeng = "God is Our Trust" , established = , type = Private federally chartered research university , academic_affiliations = , endowment = $2.8 billion (2022) , preside ...
*
University of Minnesota The University of Minnesota, formally the University of Minnesota, Twin Cities, (UMN Twin Cities, the U of M, or Minnesota) is a public university, public Land-grant university, land-grant research university in the Minneapolis–Saint Paul, Tw ...
*
Chiang Mai University Chiang Mai University ( CMU; th, มหาวิทยาลัยเชียงใหม่) is a public research university in northern Thailand founded in 1964. It has a strong emphasis on engineering, science, agriculture, and medicine. It ...


Honorary positions

* Member of the Imperial House Council * President of the Japanese Society for the Preservation of Birds * President of the Japanese Society for Disabled Children * President of the Japan Institute of Invention and Innovation * President of the Japan-Denmark Society * President of the Dainippon Silk Foundation * President of the Japanese Society for Rehabilitation of Persons with Disabilities * President of the Japan Art Association * President of the Tokyo Zoological Park Society * President of Maison Franco-Japonaise * President of the Princess Takamatsu Cancer Research Fund * Honorary President of the Japan-Sweden Society * Honorary President of the Japan-Belgium Society * Honorary President of the
Japanese Foundation for Cancer Research The (JFCR) is a non-profit cancer research organization based in Ariake, Tokyo. The JFCR was founded in 1908 as the first Japanese organization specializing in cancer by Katsusaburō Yamagiwa and his supporters. The Cancer Institute and its att ...
* Honorary President of Association Pasteur Japon * Honorary Vice-President of the
Japanese Red Cross The is the Japanese affiliate of the International Red Cross. The Imperial Family of Japan traditionally has supported the society, with the Empress as Honorary President and other imperial family members as vice presidents. Its headquarters i ...
Society


Ancestry


Patrilineal descent

;Imperial House of Japan # Descent prior to Keitai is unclear to modern historians, but traditionally traced back patrilineally to
Emperor Jimmu was the legendary first emperor of Japan according to the '' Nihon Shoki'' and '' Kojiki''. His ascension is traditionally dated as 660 BC.Kelly, Charles F"Kofun Culture"Emperor Keitai (died 10 March 531) was the 26th legendary emperor of Japan, Imperial Household Agency (''Kunaichō'') 継体天皇 (26)/ref> according to the traditional order of succession. No firm dates can be assigned to this emperor's life or reign, but h ...
, ca. 450–534 #
Emperor Kinmei was the 29th Emperor of Japan, Imperial Household Agency (''Kunaichō'') 欽明天皇 (29) retrieved 2013-8-22. according to the traditional order of succession. Titsingh, Isaac. (1834)pp. 34–36 Brown, Delmer. (1979) ''Gukanshō,'' pp. 261– ...
, 509–571 #
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 ...
, 538–585 # Prince Oshisaka, ca. 556–??? #
Emperor Jomei was the 34th emperor of Japan,Kunaichō 斉明天皇 (34)/ref> according to the traditional order of succession. Jomei's reign spanned the years from 629 through 641. Traditional narrative Before Jomei's ascension to the Chrysanthemum Throne, ...
, 593–641 #
Emperor Tenji , also known as Emperor Tenchi, was the 38th emperor of Japan, Imperial Household Agency (''Kunaichō'')天智天皇 (38)/ref> according to the traditional order of succession.Ponsonby-Fane, Richard. (1959). ''The Imperial House of Japan'', p. 5 ...
, 626–671 # Prince Shiki, ???–716 #
Emperor Kōnin was the 49th emperor of Japan, Emperor Kōnin, Tahara no Higashi Imperial Mausoleum, Imperial Household Agency according to the traditional order of succession. Kōnin's reign lasted from 770 to 781. Traditional narrative The personal name of ...
, 709–786 #
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 ...
, 737–806 #
Emperor Saga was the 52nd emperor of Japan,#Kunaichō, Emperor Saga, Saganoyamanoe Imperial Mausoleum, Imperial Household Agency according to the traditional List of Emperors of Japan, order of succession. Saga's reign spanned the years from 809 through 823 ...
, 786–842 #
Emperor Ninmyō was the 54th emperor of Japan, Emperor Ninmyō, Fukakusa Imperial Mausoleum, Imperial Household Agency according to the traditional order of succession. Ninmyō's reign lasted from 833 to 850, during the Heian period. Traditional narrative Nin ...
, 810–850 #
Emperor Kōkō was the 58th emperor of Japan, Imperial Household Agency (''Kunaichō'') 光孝天皇 (58)/ref> according to the traditional order of succession. Kōkō reigned from 884 to 887. Traditional narrative Before the emperor's ascension to the Chr ...
, 830–867 #
Emperor Uda was the 59th emperor of Japan, Imperial Household Agency (''Kunaichō'') 宇多天皇 (59)/ref> according to the traditional order of succession. Uda's reign spanned the years from 887 through 897. Traditional narrative Name and legacy Befo ...
, 867–931 #
Emperor Daigo was the 60th emperor of Japan, Imperial Household Agency (''Kunaichō'') 醍醐天皇 (60)/ref> according to the traditional order of succession. Daigo's reign spanned the years from 897 through 930. He is named after his place of burial. Ge ...
, 885–930 #
Emperor Murakami was the 62nd emperor of Japan, Imperial Household Agency (''Kunaichō'') 村上天皇 (62)/ref> according to the traditional order of succession. Murakami's reign spanned the years from 946 to his death in 967. Biography Before he ascended to ...
, 926–967 #
Emperor En'yū was the 64th emperor of Japan,Imperial Household Agency (''Kunaichō'') 円融天皇 (64)/ref> according to the traditional order of succession. En'yū's reign spanned the years from 969 through 984. Biography Before his ascension to the Chrysa ...
, 959–991 #
Emperor Ichijō was the 66th emperor of Japan,Imperial Household Agency (''Kunaichō'') 一条天皇 (66)/ref> according to the traditional order of succession. Ichijō's reign spanned the years from 986 to 1011. Biography Before he ascended to the Chrysanthem ...
, 980–1011 #
Emperor Go-Suzaku was the 69th emperor of Japan,Imperial Household Agency (''Kunaichō'') 後朱雀天皇 (69)/ref> according to the traditional order of succession. Go-Suzaku's reign spanned the years from 1036 through 1045. This 11th-century sovereign was name ...
, 1009–1045 #
Emperor Go-Sanjō was the 71st emperor of Japan, Imperial Household Agency (''Kunaichō'') 陽成天皇 (71)/ref> according to the traditional order of succession. Go-Sanjō's reign spanned the years from 1068 through 1073. This 11th century sovereign was named ...
, 1034–1073 #
Emperor Shirakawa was the 72nd emperor of Japan, Imperial Household Agency (''Kunaichō'') 白河天皇 (72)/ref> according to the traditional order of succession. Shirakawa's reign lasted from 1073 to 1087. Genealogy Before his ascension to the Chrysanthemum Th ...
, 1053–1129 #
Emperor Horikawa was the 73rd emperor of Japan, Imperial Household Agency (''Kunaichō'') 堀河天皇 (73)/ref> according to the traditional order of succession. Horikawa's reign spanned the years from 1087 through 1107. Biography Before his ascension to the ...
, 1079–1107 #
Emperor Toba was the 74th Emperor of Japan, Imperial Household Agency (''Kunaichō'') 鳥羽天皇 (74)/ref> according to the traditional order of succession. Toba's reign spanned the years from 1107 through 1123. Genealogy Before his ascension to the Chr ...
, 1103–1156 #
Emperor Go-Shirakawa was the 77th emperor of Japan, according to the traditional order of succession. His de jure reign spanned the years from 1155 through 1158, though arguably he effectively maintained imperial power for almost thirty-seven years through the ''ins ...
, 1127–1192 #
Emperor Takakura was the 80th emperor of Japan, according to the traditional order of succession. His reign spanned the years from 1168 through 1180. Genealogy Before his ascension to the Chrysanthemum Throne, his personal name (his ''imina'') was Norihito''-shi ...
, 1161–1181 #
Emperor Go-Toba was the 82nd emperor of Japan, according to the traditional order of succession. His reign spanned the years from 1183 through 1198. This 12th-century sovereign was named after Emperor Toba, and ''go-'' (後), translates literally as "later"; an ...
, 1180–1239 #
Emperor Tsuchimikado was the 83rd emperor of Japan, Imperial Household Agency (''Kunaichō'') 土御門天皇 (83)/ref> according to the traditional order of succession.Ponsonby-Fane, Richard. (1959). ''The Imperial House of Japan,'' pp. 86–87. Tsuchimikado's re ...
, 1196–1231 #
Emperor Go-Saga was the 88th emperor of Japan, according to the traditional order of succession. This reign spanned the years 1242 through 1246. This 13th-century sovereign was named after the 8th-century Emperor Saga and ''go-'' (後), translates literally as ...
, 1220–1272 #
Emperor Go-Fukakusa was the 89th emperor of Japan, according to the traditional order of succession. This reign spanned the years 1246 through 1260. This 13th-century sovereign was named after the 9th-century Emperor Ninmyō and ''go-'' (後), translates literally ...
, 1243–1304 #
Emperor Fushimi was the 92nd emperor of Japan, according to the traditional order of succession. His reign spanned the years from 1287 through 1298. Name Before his ascension to the Chrysanthemum Throne, his personal name (his ''imina'') was . Although the ...
, 1265–1317 #
Emperor Go-Fushimi was the 93rd emperor of Japan, according to the traditional order of succession. His reign spanned the years from 1298 to 1301. This 13th-century sovereign was named after his father, Emperor Fushimi and ''go-'' (後), translates literally as ...
, 1288–1336 #
Emperor Kōgon was the first of the Emperors of Northern Court during the Period of the Northern and Southern Courts in Japan. His reign spanned the years from 1331 through 1333. Genealogy Before his ascension to the Nanboku-chō throne, his personal name (h ...
, 1313–1364 #
Emperor Sukō (May 25, 1334 – January 31, 1398) was the third of Emperors of Northern Court during the Period of the Northern and Southern Courts in Japan. According to pre- Meiji scholars, his reign spanned the years from 1348 through 1351.Titsingh, Isaa ...
, 1334–1398 # Prince Yoshihito Fushimi, 1351–1416 # Prince Sadafusa Fushimi, 1372–1456 #
Emperor Go-Hanazono (July 10, 1418 – January 18, 1471) was the 102nd emperor of Japan, according to the traditional order of succession. Imperial Household Agency (''Kunaichō'')後花園天皇 (102) retrieved 2013-8-28. His reign spanned the years from 1428 throu ...
, 1419–1471 #
Emperor Go-Tsuchimikado (July 3, 1442 – October 21, 1500) was the 103rd emperor of Japan,Imperial Household Agency (''Kunaichō'')後土御門天皇 (103) retrieved 2013-8-28. according to the traditional order of succession. His reign spanned the years from 1464 thro ...
, 1442–1500 #
Emperor Go-Kashiwabara was the 104th emperor of Japan, according to the traditional order of succession. He reigned from November 16, 1500, to May 19, 1526. His personal name was Katsuhito (勝仁). His reign marked the nadir of Imperial authority during the Ashikaga ...
, 1464–1526 #
Emperor Go-Nara was the 105th Emperor of Japan, according to the traditional order of succession. He reigned from June 9, 1526 until his death in 1557, during the Sengoku period. His personal name was Tomohito (知仁). Genealogy He was the second son of Emper ...
, 1495–1557 #
Emperor Ōgimachi was the 106th Emperor of Japan, according to the traditional order of succession. He reigned from November 17, 1557, to his abdication on December 17, 1586, corresponding to the transition between the Sengoku period and the Azuchi–Momoyama per ...
, 1517–1593 #
Prince Masahito , also known as Prince Sanehito and posthumously named Yōkōin ''daijō-tennō'', was the eldest son of Emperor Ōgimachi. He predeceased his father. Masahito's eldest son was , who acceded to the Chrysanthemum Throne on the abdication of Em ...
, 1552–1586 #
Emperor Go-Yōzei was the 107th Emperor of Japan, according to the traditional order of succession. Go-Yōzei's reign spanned the years 1586 through to his abdication in 1611, corresponding to the transition between the Azuchi–Momoyama period and the Edo period ...
, 1572–1617 #
Emperor Go-Mizunoo was the 108th Emperor of Japan, according to the traditional order of succession. Go-Mizunoo's reign spanned the years from 1611 through 1629, and was the first emperor to reign entirely during the Edo period. This 17th-century sovereign was n ...
, 1596–1680 #
Emperor Reigen was the 112th emperor of Japan,Imperial Household Agency (''Kunaichō'') 霊元天皇 (112)/ref> according to the traditional order of succession.Ponsonby-Fane, Richard. (1959). ''The Imperial House of Japan'', pp. 117. Reigen's reign spanned t ...
, 1654–1732 #
Emperor Higashiyama was the 113th emperor of Japan, according to the traditional order of succession.Imperial Household Agency (''Kunaichō'') 東山天皇 (113)/ref> Higashiyama's reign spanned the years from 1687 through to his abdication in 1709 corresponding to ...
, 1675–1710 # Prince Naohito Kanin, 1704–1753 # Prince Sukehito Kanin, 1733–1794 #
Emperor Kōkaku was the 119th Emperor of Japan, according to the traditional order of succession. Imperial Household Agency (''Kunaichō'')光格天皇 (119)/ref> Kōkaku reigned from 16 December 1780 until his abdication on 7 May 1817 in favor of his son, Empe ...
, 1771–1840 #
Emperor Ninkō was the 120th Emperor of Japan, according to the traditional order of succession. Imperial Household Agency (''Kunaichō'') 仁孝天皇 (120)/ref> Ninkō's reign spanned the years from 1817 until his death in 1846, and saw further deteriorati ...
, 1800–1846 #
Emperor Kōmei was the 121st Emperor of Japan, according to the traditional order of succession. Imperial Household Agency (''Kunaichō'')孝明天皇 (121)/ref> Kōmei's reign spanned the years from 1846 through 1867, corresponding to the final years of the ...
, 1831–1867 #
Emperor Meiji , also called or , was the 122nd emperor of Japan according to the traditional order of succession. Reigning from 13 February 1867 to his death, he was the first monarch of the Empire of Japan and presided over the Meiji era. He was the figur ...
, 1852–1912 #
Emperor Taishō was the 123rd Emperor of Japan, according to the traditional order of succession, and the second ruler of the Empire of Japan from 30 July 1912 until his death in 1926. The Emperor's personal name was . According to Japanese custom, while reigni ...
, 1879–1926 #
Emperor Shōwa Emperor , commonly known in English-speaking countries by his personal name , was the 124th emperor of Japan, ruling from 25 December 1926 until his death in 1989. Hirohito and his wife, Empress Kōjun, had two sons and five daughters; he was ...
, 1901–1989 # Masahito, Prince Hitachi


References


External links


Their Imperial Highnesses Prince and Princess Hitachi
at the Imperial Household Agency website in Japan {{DEFAULTSORT:Hitachi, Prince 1935 births Japanese princes Living people People from Tokyo Gakushuin University alumni Sons of emperors 20th-century Japanese scientists 21st-century Japanese scientists Cancer researchers Tokyo University of Science alumni