Dorothea von Salviati's father-in-law was born on what date?
Dorothea von Salviati Dorothea von Salviati (1907–1972), was the wife of Prince Wilhelm of Prussia, the eldest son of Crown Prince Wilhelm, the eldest son and heir of the last German Emperor, Wilhelm II.
Duchess Anna Amalia of Brunswick-Wolfenbüttel Anna Amalia of Brunswick-Wolfenbüttel (24 October 173910 April 1807), was a German princess and composer. She became the duchess of Saxe-Weimar-Eisenach, by marriage, and was also regent of the states of Saxe-Weimar and Saxe-Eisenach from 1758 to 1775. She transformed her court and its surrounding into the most influential cultural center of Germany.