 The holdings of the family were briefly reunited when Alfonso the Battler of Navarre and Aragon married Alfonso VI's daughter Urraca, Queen of Castile and León, and claimed the imperial title.However, the marriage failed and the kingdoms of Castile and León passed out of the dynasty, to Urraca's son by a prior marriage.The Kingdom of Aragon and that of Navarre likewise went their separate ways following Alfonso's death, the former passing to his brother, the latter to a descendant of its original ruling family, with each eventually passing to other dynasties through heiresses