About Karl Friedrich, Prince of Hohenzollern-Sigmaringen
Karl Friedrich (9 January 1724 – 20 December 1785) was a member of the House of Hohenzollern and Prince of Hohenzollern-Sigmaringen, Lord of Haigerloch and Wehrstein from 1769 until his death.
Born in Sigmaringen, he was the eldest son of Joseph Friedrich Ernst, Prince of Hohenzollern-Sigmaringen and his first wife, Maria Franziska Louise of Oettingen-Spielberg.
From the nine children that his father produced in his first and second marriage, only Karl Friedrich and a young full-sister, Maria Johanna (who became a nun) survived adulthood.