Frederick, Prince of Hohenzollern (German: Friedrich Viktor Pius Alexander Leopold Karl Theodor Ferdinand Fürst von Hohenzollern) (30 August 1891 in Heiligendamm, Mecklenburg-Schwerin – 6 February 1965 in Krauchenwies, Baden-Württemberg, Germany) was the eldest son of William, Prince of Hohenzollern and Princess Maria Teresa of Bourbon-Two Sicilies. He had a twin brother, Franz Joseph, Prince of Hohenzollern-Emden, who was born a few minutes after he was.