Background
He succeeded his father as Count of Ponthieu before 1129. This was during William"s lifetime.
He succeeded his father as Count of Ponthieu before 1129. This was during William"s lifetime.
Around 1137, he founded the Cistercian Valloires Abbey. in 1146, he joined the Second Crusade under King Louis VII of France. He died of a disease on 25 December 1147 in Ephesus.