Anna of Mecklenburg Duchess consort of Courland (1533-1602) (1533–1602) Parents Anna of Brandenburg Albrecht VII, Duke of Mecklenburg Children Wilhelm Kettler Friedrich Kettler Elisabeth von Kettler Anna von Kettler Siblings Charles I Ulrich, Duke of Mecklenburg John Albert I, Duke of Mecklenburg Christopher, Duke of Mecklenburg Georg von Mecklenburg Partners Gotthard Kettler
