| Gilbert de CLARE Born: ABT 1183 Hertford, Hertfordshire, ENG Died: 25 OCT 1230 Penrose, Brittany, France | |||||
| Roger de MORTIMER Born: 3 MAY 1287 Netherwood, Thornbury, Herefordshire, England Died: 29 NOV 1330 Elms, Tynwood, Warwickshire, England (executed) | |||||
| Isabel MARSHALL Born: ABT 1203 ?; of Pembroke, Pembrokeshire, Wales Died: 17 JAN 1239/1240 Berkhampsted, ENG | |||||