William De Percy

William married Eleanor De Baliol, daughter of Unknown and Unknown. (Eleanor De Baliol was born about 1206 in Red Castle, Angushire, Scotland and died before 22 Nov 1281.)

William next married Joan De Briwere, daughter of Unknown and Unknown, about 1223 in Warwick, Warwickshire, England. (Joan De Briwere was born about 1197 in Stoke, Devonshire, England and was buried before 12 Jun 1233 in Hospital, Sandown, Surrey, England.)