Gilbert de Clare 1291–1314 | | |
| | Isabel le Despenser 1312–1356 Richard FitzAlan 10th Earl of Arundel and 10th Earl of Surrey 1306–1376 | | |
| | Edward le Despenser 1335–1375 | | |
| | Edward le Despenser 1310–1342 | | |
| | Eleanor de Clare 1292–1337 Hugh Despenser 1st Lord Despenser 1286–1326 | | |
| | John de Ferrers 4th Baron Ferrers of Chartley …–… | | |
| | Thomas de Ros 5th Baron Ros of Helmsley …– | | |
| | Ralph Stafford 1st Earl of Stafford …–… | | |
| | Margaret de Clare 1293–1342 Piers Gavestone Earl of Cornwall …–1312 Hugh de Audley Earl of Gloucester …–1347 | | |
Elizabeth de Clare 1291–1314 | | |
| | Gilbert de Clare 1243–1295 Joan Plantagenet 1272–1307 | | |
Edmund … 2nd Earl of Cornwall 1249–1300 | | |
| | Robert de Tibetot 3rd Baron Tibetot …–… | | |
| | John de Tibetot 2nd Baron Tibetot …– | | |
| | Bartholomew Badlesmere 1st Baron Badlesmere …– | | |
| | Thomas de Clare 1245–1287 | | |
| | Richard de Clare 1222–1262 | | | | Gilbert de Clare 1180–1230 Isabel Marshall 1200–1240 | | | | Richard de Clare 1153–1217 Amice Fitz Robert 1160–1220 | | | | | | | | Richard fitz Gilbert de Clare …–1136 | | |
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| | | William Fitz Robert … 2nd Earl of Gloucester 1150–1183 Hawise de Beaumont …–1197 | | | | Robert de Mellment … 1st Earl of Gloucester 1100–1147 | | |
| | | Robert de Beaumont 1st Earl of Leicester …–… Elizabeth (Elisabeth or Isabel) de Vermandois 1081–1131 | | |
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