 Both were part of the royal court of King Henry II; in particular Richard Le Breton was a close friend of the king's brother, Prince William.During the attack on Becket in 1170 by the four knights, Sir Reginald Fitzurse, Sir Hugh de Morville, Brito and Sir William de Tracy, Brito is said to have broken his sword when chopping at Becket's head.According to Edward Grim