Frederick refused to accompany Otto to Italy in 951. He participated in another rebellion with Liudolf, Duke of Swabia, and Conrad, Duke of Lorraine, luring the king to Mainz in 953.
Frederick refused to go with Otto to Italy in 951. He later joined a rebellion against the king with Liudolf, Duke of Swabia, and Conrad, Duke of Lorraine, leading the king to Mainz in 953.