From the marriage of Sophie Amalie and Frederick Casimir the following children were born: • Frederick Kettler (3 April 1682 – 11 February 1683), Hereditary Prince of Courland. • Marie Dorothea Kettler (2 August 1684 – 17 January 1743), married to
Margrave Albert Frederick of Brandenburg-Schwedt. • Eleonore Charlotte Kettler (11 June 1686 – 28 July 1748), married to Duke
Ernest Ferdinand of Brunswick-Wolfenbüttel-Bevern. •
Amalie Louise Kettler (Mitau, 23 July 1687 – ,
Siegen, 18 January 1750), married at the in
Bayreuth on 13 April 1708 to
Fürst Frederick William Adolf of Nassau-Siegen (, Siegen, 20 February 1680 –
Nassauischer Hof, Siegen, 13 February 1722). • Christina Sophia Kettler (15 November 1688 – 22 April 1694). Frederick Casimir Kettler duke of Courland.jpg|Duke Frederick Casimir of Courland. Anonymous portrait, 17th century.
Gripsholm Castle. Markgräfin Maria Dorothea von Brandenburg-Schwedt mit Sohn Friedrich Wilhelm (Pesne).jpg|Margravine Marie Dorothea of Brandenburg-Schwedt with her son. Portrait by
Antoine Pesne, ca. 1719. Preußen-Museum Minden. Eleonore Charlotte of Kurland (1686-1748), German School of the 18th century.jpg|Duchess Eleonore Charlotte of Brunswick-Lüneburg-Bevern. Anonymous portrait, 18th century. Amalia Luise von Kurland 1687-1750.jpg|Fürstin Amalie Louise of Nassau-Siegen. Detail of a anonymous portrait, first quarter 18th century.
Siegerlandmuseum, Siegen. ==Ancestors==