Walter hailed from Saint Valery-sur-Somme in Flanders, from which William sailed in 1066.
[1] Following the Norman Conquest Walter was awarded the Manors of Hampton and Isleworth (comprising the hundred of Hounslow), along with property in Olden and Creeting in Suffolk.
He was present at the siege of Nicaea in 1097 and scouted with the Turkish Christian convert Bohemond the army of Ridwan before the Battle of the Lake of Antioch.
[3] He guarded Adhemar of Le Puy in the mountains near the port of Simeon after finding what was thought to be the Holy Lance.
Walter and Hodierna had two sons: Both Bernard II and Eudon took the cross and participated in the First Crusade.