Louis Ferdinand, Prince of Prussia was a member of the princely House of Hohenzollern, which occupied the Prussian and German thrones until the abolition of those monarchies in 1918. He was also noteworthy as a businessman and patron of the arts. Wikipedia
Born: November 9, 1907, Potsdam, Germany
Died: September 26, 1994 (age 86 years), Bremen, Germany
Spouse: Grand Duchess Kira Kirillovna of Russia (m. 1938–1967)