Anna of Brandenburg
| Anna Mecklenburg|
| Albrecht VII, Duke of Mecklenburg|
14 October 1533
July 4, 1602, Schwerin, Germany
Gotthard Kettler (m. 1566–1587)
Wilhelm Kettler, Friedrich Kettler
Albrecht VII, Duke of Mecklenburg, Anna of Brandenburg, Duchess of Mecklenburg
Gotthard Kettler, Wilhelm Kettler, Sophie Hohenzollern, Jacob Kettler, Joachim I Nestor - Elector of
Anna of Mecklenburg Wikipedia
Anna of Mecklenburg (14 October 1533 – 4 July 1602), was a Duchess consort of Courland. She was the daughter of Albrecht VII, Duke of Mecklenburg and Anna of Brandenburg. Anna is the first woman in Livonia, whose life story is entirely historically confirmed.
She married the Duke of Courland, Gotthard Kettler, on 11 March 1566 in Königsberg. The couple had the following children:Friedrich Kettler (1569–1642); married in 1600 Elisabeth Magdalena of Pomerania, no issue.
Wilhelm Kettler (1574–1640); married in 1609 Sophia of Brandenburg-Prussia:
Jacob Kettler; succeeded as Duke of Courland and Semigallia. Married Margravine Louise Charlotte of Brandenburg and had issue.