 There he entered the service of King Henry III and by 1267 was placed in the household of Prince Edward.In return for likely service for Prince Edward at the battles of Lewes and Evesham he was rewarded with property at Queenhithe in London.In 1268 both prince and servant were knighted and in 1271 the latter accompanied his lord on the Ninth Crusade, where he served at Acre that year.