Duchess Anna of Prussia

Duchess Anna of Prussia and Jülich-Cleves-Berg (3 July, 1576 - 30 August, 1625) was the daughter of Albert Frederick, Duke of Prussia and Marie Eleanore of Cleves and became the wife of John Sigismund, Elector of Brandenburg.

They were parents to eight children:

• George William (13 November, 1595 – 1 December, 1640). His successor.
• Anne Sophia of Brandenburg (15 March, 1598 – 19 December, 1659). Married Frederick Ulrich, Duke of Brunswick-Lüneburg.
• Maria Eleonora of Brandenburg (11 November, 1599 – 28 March, 1655). Married Gustavus Adolphus of Sweden. They were parents of Christina of Sweden.
• Catharina of Brandenburg (28 May, 1602 – 27 August, 1644). Married first Gabriel Bethlen, Prince of Transylvania and secondly Franz Karl of Saxe-Lauenburg.
• Joachim Sigismund of Brandenburg (25 July, 1603 – 22 February, 1625).
• Agnes of Brandenburg (31 August, 1606 – 12 March, 1607).
• John Frederick of Brandenburg (18 August, 1607 – 1 March, 1608).
• Albrecht Christian of Brandenburg (7 March – 14 March, 1609).