His mother was Willa , a daughter of Boniface I , Duke of Spoleto and Margrave of Camerino .
Hugh was the son and successor of Hubert , an illegitimate son of King Hugh .
Hugh 's mother was Willa , a daughter of Boniface I , Duke of Spoleto and Margrave of Camerino .
Hugh was the son and successor of Hubert , an illegitimate son of King Hugh .