This leader's daughter was the dedicatee of Widukind of Corvey's history of his reign. This ruler had his half-brother killed in Eresburg and quelled 
This leader's daughter was the dedicatee of Widukind of Corvey's history of his reign. This ruler had his half-brother killed in Eresburg and quelled a rebellion at the Battle of Andernach. He consolidated his power at Diet of Auerstadt and appointed Bruno I as Archbishop of Cologne, after Conrad the Red defected. After deposing Adalbert and his father Berengar II, he took Adelaide as his wife. Eberhard of (*) Franconia engineered two rebellions against him, conspiring with Henry and Thankmar. He was crowned by John XII after conquering Italy, and was the son of Henry the Fowler. For 10 points, name this ruler who defeated the Magyars at the Battle of Lechfeld and is considered the first Holy Roman Emperor.
This leader's daughter was the dedicatee of Widukind of Corvey's history of his reign.
Otto the Great [or Otto I; prompt on "Otto"]