He was the son of
Robert II of Auvergne and Judith of Melgueil. He was married to Emma, daughter of
Roger I of Sicily in 1086/1087. Around 1095 he succeeded his father as
Count of Auvergne In 1131, William resumed hostilities counting on the support of the
Count of Poitiers (presumably
William X), whose suzerainty he recognized. But Louis t returned to Auvergne. The Count of Poitiers and his vassal submitted and promised to submit to the judgment of an assembly of the kingdom's nobles. == Issue ==