sentences:  Due to his relative youth, throughout his rule William faced challenges from the Provençal lords, including the seizing of his family's ecclesiastical interests.These conflicts escalated until William died 4 March 1019, while fighting the castellans of Fos and Hyères, and the two widows, Adelaide and Gerberga, were forced to call on the assistance of Adelaide's older son, William III, Count of Toulouse, to protect the birthright of the young heirs.Together William and Gerberga had