Prince Friedrich Karl Nikolaus of Prussia (20 March 1828 – 15 June 1885) was the son of Prince Charles of Prussia (1801–1883) and his wife, Princess Marie of Saxe-Weimar-Eisenach (1808–1877). Prince Friedrich Karl was a grandson of King Frederick William III of Prussia and a nephew of Frederick William IV and William I.
Prince Friedrich Karl of Prussia (Tassilo Wilhelm Humbert Leopold Friedrich Karl; 6 April 1893 – 6 April 1917) was a German prince and competitive horse rider who competed in the 1912 Summer Olympics.  Biography Prince Friedrich Karl was born in Schloss Klein-Glienicke, Potsdam, Berlin.
El príncipe Federico Carlos de Prusia (Friedrich Karl von Preussen; Berlín, 20 de marzo de 1828 - Potsdam, 15 de junio de 1885) era hijo del príncipe Carlos de Prusia (1801-1883) y de su esposa, la princesa María de Sajonia-Weimar-Eisenach (1808-1877).
- Federico Carlos Nicolás
- Iglesia de San Pedro y San Pablo, Wannsee
Prince Karl Franz of Prussia. Prince Karl Franz Josef Wilhelm Friedrich Eduard Paul of Prussia (15 December 1916 – 23 January 1975) was the only child of Prince Joachim of Prussia and his wife Princess Marie-Auguste of Anhalt.   He was also the grandson of Wilhelm II, German Emperor .
Frederick III or Friedrich III (Friedrich Wilhelm Nikolaus Karl; 18 October 1831 – 15 June 1888) was German Emperor and King of Prussia for 99 days between March and June 1888, during the Year of the Three Emperors. Known informally as "Fritz", he was the only son of Emperor Wilhelm I and was raised in his family's tradition of military service.
Prince Frederick Charles Alexander of Prussia (German: Friedrich Karl Alexander; 29 June 1801 – 21 January 1883) was a younger son of Frederick William III of Prussia. He served as a Prussian general for much of his adult life and became the first Herrenmeister (Grand Master) of the Order of Saint John after its restoration as a ...
He is portrayed by English actor Freddie Stroma. His name in the show is spelled as Friedrich, the traditional German spelling. Honours He received the following orders and decorations:  Kingdom of Prussia : Knight of the Black Eagle, 30 October 1804;  with Collar, 1812 Grand Commander's Cross of the Royal House Order of Hohenzollern