Overview
Duchess Anna Sophie of Saxe-Gotha-Altenburg (22 December 1670 – 28 December 1728) was a princess of Saxe-Gotha-Altenburg and Duchess in Saxony by birth, and by marriage a Princess of Schwarzburg-Rudolstadt.
Ancestry
She was the daughter of Frederick I, Duke of Saxe-Gotha-Altenburg (1646–1691) and Magdalena Sibylle, Duchess of Saxe-Weissenfels (1648–1680).
Her father was a fourth-generation descendant of John Frederick, Elector of Saxony in direct male line. He was also a fourth-generation descendant of his wife Sybille of Cleves who was daughter of John III, Duke of Cleves and older sister of both Anne of Cleves and Wilhelm, Duke of Jülich-Cleves-Berg.
The Elector was father to John William, Duke of Saxe-Weimar (1530–1573). He married Dorothea Susanne of Simmern, a daughter of Frederick III, Elector Palatine.
From Wikipedia (CC BY-SA 4.0).
