Friedrich IV was the younger son of
Friedrich I of Nuremberg-Zollern ( – ) and his wife
Sophia of Raabs (died ) . After his father's death, he was appointed as his successor as Burgrave of Nuremberg. In 1218, Friedrich and his older brother
Conrad I divided their inheritance: Conrad received the Franconian possessions and became Burgrave of Nuremberg; Friedrich received the ancestral
County of Zollern. He is considered the founder of the Swabian line of the
House of Hohenzollern. He died and was succeeded as Count of Zollern by his son
Friedrich V (died 24 May 1289). ==See also==