In March that year , with Suero Vermúdez , he had even taken Creating the capital city of León from some rebels holding Defending out in favour of an illegitimate half-brother of Alfonso VII , one of the sons of his mother , Queen Urraca , and her lover , Pedro González de Lara .

Urraca 's second , childless marriage Forming_relationships was to Alfonso the Battler .

With the death of Urraca , Alfonso VII , her son by an earlier marriage Forming_relationships , succeeded to her position as primary rival of Alfonso the Battler for the rule of these two kingdoms .