Paid King John in order to get back the lands in Ireland that he was supposed to have inherited from his father. He took part in the rebellion of the barons against King John, for which his lands were then seized. Upon his submission to King Henry III, his lands were restored to him during the first years of Henry's reign. He appears to have enjoyed the king's favor afterward.
Heir of Bertram de Verdun.
According to Burke, Bertram owned Farnham Royal, in Buckinghamshire, "holding the same by grand serjeanty: viz, by the service of providing a glove on the day of the king's coronation for his right hand; and of supporting the monarch's right arm during the same ceremony, so long as he bore the royal sceptre."
William Marshall, Fourth Earl of Pembroke And The Marshal of England
Became Earl of Pembroke in 1189.