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.
Princess Antoinette of Anhalt Princess Antoinette of Anhalt (German: "Antoinette Anna Alexandra Marie Luise Agnes Elisabeth Auguste Friederike" ; 3 March 1885 – 3 April 1963) was a Princess of Anhalt by birth. As the wife of Prince Frederick of Schaumburg-Lippe, she became a Princess of Schaumburg-Lippe by marriage.