 Complete the following phrase:  He was one of the nine godfathers of Prince Edward, the future King Edward I of England. He served as Sheriff of Kent for 123940. In 1258 after returning from a pilgrimage to the Holy Land, Humphrey fell away, like his father, from the royal cause to that of the barons. He served as a nominee of the opposition on the committee of twenty-four which was appointed in the Oxford Parliament of that year, to create the Provisions of Oxford to reform the administration. The alliance of Simon de Montfort with Llywelyn ap Gruffudd of North Wales brought Bohun back to royal allegiance. He headed the first secession of the Welsh Marchers from the party of the opposition 1263, and was amongst the captives whom the Montfortians took at the 