When Walterpertoldo died, and the first generation of the Spilimbergo ended, a contest for the succession in controlling Valvasone began between two really important families in the area: the Zuccola and the Cucagna.
Upon Walterpertoldo's demise, and the commencement of the Spilimbergo lineage's first generation, a struggle for control over Valvasone emerged between two prominent families in the region: the Zuccola and the Cucagna.