- Marriage and issue
Ernest III of Brunswick-Grubenhagen-Herzberg, was a member of the noble family of Guelph and a duke of Brunswick-Grubenhagen.
Ernest was the eldest son of Duke Philip I of Brunswick-Grubenhagen and his second wife, Countess Catherine of Mansfeld-Vorderort, 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, which ended unsuccessfully at Ingolstadt.
On 9 October 1547 in Wolgast, Duke Ernest III married Princess Margaret of Pomerania-Wolgast, eldest daughter of Duke George I of Pomerania and his first wife, Princess Amalia of the Palatinate. From this marriage only one daughter reached adulthood: Elizabeth 19 married in August 1568 Duke John II of Schleswig-Holstein-Sonderburg. That marriage produced 14 children: * Dorothea married Duke Frederick IV of Legnica, Silesia * Christian, Duke of Schleswig-Holstein-Sonderburg-Ærø * Ernest ...
Duke Ernest II of Brunswick-Grubenhagen (1418–1466) was the second son of Duke Eric I of Brunswick-Grubenhagen and his wife, Elisabeth of Brunswick-Göttingen.. When his father died in 1427, Ernest II was still a minor.
- Elisabeth of Brunswick-Göttingen
Duke of Brunswick-Lüneburg Prince of Grubenhagen joint reign with his brothers Ernest I and William 1322–1325 Succeeded by Ernest I: Retention of a condiminium on partitioning Grubenhagen: Lord over Grubenhagen condominium joint rule with his brothers Ernest I and William 1325–1351 Succeeded by Ernest I and William
Life. Eric was the only son of the Duke Albert I of Brunswick-Grubenhagen, who died in 1383, and his wife Agnes I, a daughter of Duke Magnus II of Brunswick-Lüneburg. Eric inherited Brunswick-Grubenhagen at a very early age; he stood until 1401 under the guardianship of his uncle, Duke Frederick of Grubenhagen-Osterode.
Ernest succeeded as Duke of Brunswick-Lüneburg upon the retirement of his brother Otto in 1527. Ernest, Duke of Brunswick-Lüneburg, married Sophia of Mecklenburg-Schwerin, and he died on 11 January 1547 at the age of 49. Ernest's life coincided with the Protestant Reformation.
Anna of Brunswick-Grubenhagen-Einbeck (1414 – 4 April 1474) was a daughter of Duke Eric I of Brunswick-Grubenhagen and his wife, Elisabeth of Brunswick-Göttingen. Anna's first marriage was with Duke Albert III of Bavaria. They had the following children: John IV (1437–1463), Duke of Bavaria; Ernest (1438–1460) Sigismund of Bavaria (1439 ...
On 15 June 1651, at Copenhagen, she married her first cousin Ernest Günther (14 October 1609 – 18 January 1689), son of Duke Alexander of Schleswig-Holstein-Sonderburg and his wife Countess Dorothea of Schwarzburg-Sondershausen. They had ten children: Frederick (10 December 1652 – 3 August 1692) Sofie Amalie (25 August 1654 – 7 December ...
Irene de Brunswick, nascuda amb el nom d'Adelaida aproximadament l'any 1293 i morta el 16 o 17 d'agost de 1324, va ser la primera esposa d'Andrònic III Paleòleg.A través del seu matrimoni, es va convertir en emperadriu de l'Imperi Romà d'Orient, tot i que va morir abans que el seu marit es convertís en l'únic emperador.