Trivia

Father of Kaiser Wilhelm II, Prince Henry of Prussia, and Princess Charlotte of Prussia.

Grandfather of Princess Feodora of Saxe-Meiningen, Crown Prince Hohenzollern, Prince Sigismund of Prussia, and Viktoria Luise von Preußen.

4th great grandfather of Juan Urdangarín Borbón, Pablo Urdangarín Borbón, Miguel Urdangarín Borbón, Felipe Juan Froilán de Marichalar y Borbón, and Victoria Federica de Marichalar y Borbón.

Great-great grandfather of Prinz Louis Ferdinand Junior von Preussen, Friedrich Wilhelm Prinz von Preußen, Prinz Michael von Preussen, Sofía de Grecia, King Constantine II, and Princess Irene of Greece.

Son-in-law of Queen Victoria and Prince Albert.

Great-grandfather of Prinz Louis Ferdinand von Preussen.

3rd great grandfather of Georg Friedrich von Preußen, Prinzessin Nataly von Preussen, Prinzessin Micaela von Preussen, Elena de Borbón, Cristina de Borbón, Crown Prince of Greece Pavlos, Prince Nikolaos, Theodora Greece, and King Felipe VI of Spain.

Was German Emperor and King of Prussia for just 99 days (March 9, 1888 - June 15, 1888).