Margaret married Richard of Gloucester de Clare, 2nd Earl of Gloucester in 1232. Richard (son of Gilbert of Gloucester de Clare, 5th Earl of Gloucester and Isabella Marshal, Lady) was born on 4 Aug 1222; died on 15 Jul 1262 in Ashenfield Manor, Waltham, Canterbury; was buried on 28 Jul 1262 in Tewkesbury Abbey, Gloucester, England. [Group Sheet] [Family Chart]