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.
Prince Ferdinand of Saxe-Coburg and Gotha Prince Ferdinand Georg August of Saxe-Coburg and Gotha (28 March 1785 – 27 August 1851) was a prince of the House of Saxe-Coburg and Gotha and a general of cavalry in the Austrian Imperial and Royal Army during the Napoleonic Wars. Despite remaining a Lutheran, by marriage he established the Catholic branch of the family which eventually gained the thrones of Portugal (1837) and Bulgaria (1887).