Frederick II of Zollern

Frederick II, Count of Zollern (died: 1142 or after 1145) was the eldest son of Frederick I, Count of Zollern, and became Count of Zollern after his father's death around 1125. Frederick II supported Lothar of Supplinburg, who was King of Germany, then Holy Roman Emperor, from 1125 to Lothar's death in 1137 against the House of Hohenstaufen, then supported that same house (and the new German King, Conrad III of Germany) after 1138 against the House of Welf.

Frederick II of Zollern

Frederick II, Count of Zollern (died: 1142 or after 1145) was the eldest son of Frederick I, Count of Zollern, and became Count of Zollern after his father's death around 1125. Frederick II supported Lothar of Supplinburg, who was King of Germany, then Holy Roman Emperor, from 1125 to Lothar's death in 1137 against the House of Hohenstaufen, then supported that same house (and the new German King, Conrad III of Germany) after 1138 against the House of Welf.