Richard Fitz-gilbert, a lawyer, was the founder of the House of Claire in England. He accompanied William the Conqueror into England and participated in the spoils of conquest, obtaining extensive possessions in the old and new dominion of his royal leader and kinsman. William the Conqueror, being the grandson of Richard, 4th Duke of Normandy, brother of Godfrey. At the time of Domesday survey he was called Richard de Tonebruge, now Tunbridge, in Kent, which town he had obtained from the Archbishop of Canterbury in lieu of the Castle of Brione. At this time he had nearly 200 lordships in various counties. One of these lordships was that of Clare, in County Suffolk, which subsequently becoming his chief seat, he became styled Richard de Clare. He married Rohese, or Rohais, daughter of Walter Giffard de Bolbec, who assisted in making the "General Survey." He is said to have fallen in a skirmish with the Welsh and was succeeded by his eldest son, Gilbert.