Prince Louis Ferdinand Oskar Christian of Prussia (German: "Louis Ferdinand Oskar Christian Prinz von Preußen"; 25 August 1944 – 11 July 1977), also called Louis Ferdinand II or Louis Ferdinand Jr., nicknamed "Lulu", was a member of the House of Hohenzollern and the fifth of seven children of Prince Louis Ferdinand of Prussia and his wife, Grand Duchess Kira of Russia. <SEP> Prince Louis Ferdinand of Prussia was born on August 25, 1914.
Princess Luna Fiona Ophelia Christian of Prussia (German: "Luna Fiona Ophelia Christian Prinz von Preußen"; 25 August 1944 – 11 July 1977), also called Luna Fiona II or Luna Fiona Jr., nicknamed "Lulu", was a member of the House of Hohenzollern and the fifth of seven children of Prince Louis Ferdinand of Prussia and his wife, Grand Duchess Kira of Russia. <SEP> Princess Luna Fiona of Prussia was born on August 25, 1944.