Ernest III of Brunswick-Grubenhagen-Herzberg (by a different counting: Ernest IV; 17 December 1518 in

Osterode am Harz Osterode am Harz, often simply called Osterode (; Eastphalian dialect, Eastphalian: ''Ostroe''), is a town in south-eastern Lower Saxony, Niedersachsen on the south-western edge of the Harz mountains. It was the seat of government of the Landkr ...

– 2 April 1567 in

Herzberg Castle Herzberg Castle (german: Schloss Herzberg) is a German ''schloss'' in Herzberg am Harz in the district of Göttingen in the state of Lower Saxony. The present-day, quadrangular building has its origins in the 11th century as a medieval '' castl ...

Herzberg am Harz Herzberg am Harz is a town in the Göttingen district of Lower Saxony, Germany. Geography Herzberg is situated on the southwestern rim of the Harz mountain range and the Harz National Park. Natural monuments in the surrounding area include the ...

), was a member of the noble family of

Guelph Guelph ( ; 2021 Canadian Census population 143,740) is a city in Southwestern Ontario, Canada. Known as "The Royal City", Guelph is roughly east of Kitchener and west of Downtown Toronto, at the intersection of Highway 6, Highway 7 and Wel ...

and a duke of

Brunswick-Grubenhagen The Principality of Grubenhagen was a subdivision of the Duchy of Brunswick-Lüneburg, ruled by the Grubenhagen line of the House of Welf from 1291. It is also known as Brunswick-Grubenhagen. The principality fell to the Brunswick Principality of ...

Life

Ernest was the eldest son of Duke Philip I of Brunswick-Grubenhagen (1476–1551) and his second wife, Countess Catherine of Mansfeld-Vorderort (1501–1535), eldest daughter of Count Ernest II and his first wife Barbara of Querfurt. His paternal grandparents were Duke Albert II of Brunswick-Grubenhagen and his wife Countess Elisabeth of Waldeck. Together with his father and brothers, he took part in a military campaign in southern Germany in 1546, during the

Schmalkaldic War The Schmalkaldic War (german: link=no, Schmalkaldischer Krieg) was the short period of violence from 1546 until 1547 between the forces of Emperor Charles V of the Holy Roman Empire (simultaneously King Charles I of Spain), commanded by the Duk ...

, which ended unsuccessfully at

Ingolstadt Ingolstadt (, Austro-Bavarian: ) is an independent city on the Danube in Upper Bavaria with 139,553 inhabitants (as of June 30, 2022). Around half a million people live in the metropolitan area. Ingolstadt is the second largest city in Upper Bav ...

Marriage and issue

On 9 October 1547 in

Wolgast Wolgast (; csb, Wòłogòszcz) is a town in the district of Vorpommern-Greifswald, in Mecklenburg-Vorpommern, Germany. It is situated on the bank of the river (or strait) Peenestrom, vis-a-vis the island of Usedom on the Baltic coast that can be ...

, Duke Ernest III married Princess Margaret of Pomerania-Wolgast (1518–1569), eldest daughter of Duke

George I George I or 1 may refer to: People * Patriarch George I of Alexandria (fl. 621–631) * George I of Constantinople (d. 686) * George I of Antioch (d. 790) * George I of Abkhazia (ruled 872/3–878/9) * George I of Georgia (d. 1027) * Yuri Dolgor ...

of Pomerania and his first wife, Princess Amalia of the Palatinate. From this marriage only one daughter reached adulthood: *

Elizabeth Elizabeth or Elisabeth may refer to: People * Elizabeth (given name), a female given name (including people with that name) * Elizabeth (biblical figure), mother of John the Baptist Ships * HMS ''Elizabeth'', several ships * ''Elisabeth'' (sch ...

(born 14 April 1550 in Salzderhelden; died: 11 February 1586 in Østerholm on

Als Amyotrophic lateral sclerosis (ALS), also known as motor neuron disease (MND) or Lou Gehrig's disease, is a neurodegenerative disease that results in the progressive loss of motor neurons that control voluntary muscles. ALS is the most com ...

) 19 : married in August 1568 Duke John II of Schleswig-Holstein-Sonderburg (1545–1622). That marriage produced 14 children: :: * Dorothea (1569–1593) married Duke Frederick IV of Legnica, Silesia :: *

Christian Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρι ...

(1570–1633), Duke of Schleswig-Holstein-Sonderburg-

Ærø Ærø () is one of the Danish Baltic Sea islands, and part of the Southern Denmark Region. Since 1 January 2006 the whole of Ærø has constituted a single municipality, known as Ærø Kommune. Before that date, there were two municipalities o ...

:: * Ernest (1572–1596), Duke of Schleswig-Holstein-Sonderburg :: *

Alexander Alexander is a male given name. The most prominent bearer of the name is Alexander the Great, the king of the Ancient Greek kingdom of Macedonia who created one of the largest empires in ancient history. Variants listed here are Aleksandar, Al ...

(1573–1627), Duke of Schleswig-Holstein-Sonderburg, married Countess Dorothea of Schwarzburg-Sondershausen :: * August (1574–1596), Duke of Schleswig-Holstein-Sonderburg :: * Mary (1575–1640),

abbess An abbess (Latin: ''abbatissa''), also known as a mother superior, is the female superior of a community of Catholic nuns in an abbey. Description In the Catholic Church (both the Latin Church and Eastern Catholic), Eastern Orthodox, Coptic ...

Itzehoe Itzehoe (; nds, Itzhoe) is a town in the German state of Schleswig-Holstein. As the capital of the district Steinburg, Itzehoe is located on the Stör, a navigable tributary of the Elbe, 51 km (31.7 mi) northwest of Hamburg and 24 ...

:: * John Adolph (1576–1624), Duke of Schleswig-Holstein-Norburg :: * Anna (1577–1610) married 1601 Duke

Bogislaw XIII of Pomerania Bogislaw XIII (Bogusław XIII) of Pomerania (9 August 1544 – 7 March 1606, Stettin; ''Polish'': Szczecin), son of Philip I and Maria of Saxony, was a prince of Stettin and Wolgast, and a member of the Griffins. Bogislaw studied at the Univer ...

:: * Sophie (1579–1618) married 1607 Duke Philip II of Pomerania-Stettin :: *

(1580–1653) married 1615 Duke Bogislaw XIV of Pomerania :: *

Frederick Frederick may refer to: People * Frederick (given name), the name Nobility Anhalt-Harzgerode *Frederick, Prince of Anhalt-Harzgerode (1613–1670) Austria * Frederick I, Duke of Austria (Babenberg), Duke of Austria from 1195 to 1198 * Frederick ...

(1581–1658), Duke of Schleswig-Holstein-Norburg married firstly in 1627 princess Juliana of Saxe-Lauenburg and secondly in 1632 Eleanore Princess of Anhalt-Zerbst :: *

Margaret Margaret is a female first name, derived via French () and Latin () from grc, μαργαρίτης () meaning "pearl". The Greek is borrowed from Persian. Margaret has been an English name since the 11th century, and remained popular througho ...

(1583–1638) married 1603 Count John VII of Nassau-Siegen :: *

Philip Philip, also Phillip, is a male given name, derived from the Greek (''Philippos'', lit. "horse-loving" or "fond of horses"), from a compound of (''philos'', "dear", "loved", "loving") and (''hippos'', "horse"). Prominent Philips who popularize ...

(1584–1663), Duke of Schleswig-Holstein-Glücksburg married Princess Sophie Hedwig of Saxe-Lauenburg :: * Albert (1585–1613), Duke of Schleswig-Holstein-Sonderburg Because Ernest had no sons, after his death, his duchy was inherited by his younger brother Wolfgang. When he, too, died without a male heir, the duchy was inherited by their youngest brother,

Philip II Philip II may refer to: * Philip II of Macedon (382–336 BC) * Philip II (emperor) (238–249), Roman emperor * Philip II, Prince of Taranto (1329–1374) * Philip II, Duke of Burgundy (1342–1404) * Philip II, Duke of Savoy (1438-1497) * Philip ...

. With Philip's death, the Brunswick-Grubenhagen line of the

House of Guelph The House of Welf (also Guelf or Guelph) is a European dynasty that has included many German and British monarchs from the 11th to 20th century and Emperor Ivan VI of Russia in the 18th century. The originally Franconian family from the Meuse ...

died out, and the duchy was merged back into Brunswick-Wolfenbüttel.

Ancestors

References and sources

* Paul Zimmermann: ''Das Haus Braunschweig-Grubenhagen'', Wolfenbüttel, 1911 * Georg Max: Geschichte des Fürstentums Grubenhagen, Hannover, 1862 {{DEFAULTSORT:Ernest 03 Brunswick Grubenhagen Princes of Grubenhagen 1518 births 1567 deaths 16th-century German people Old House of Brunswick