| | Roger Mortimer 1st Earl of March 1287–1330 Joan de Genville 1285–1356 | | |
| | Edmund Mortimer 1252–1304 Margaret de Fiennes 1265–1334 | | |
| | Richard FitzAlan 8th Earl of Arundel 1266–1301 | | |
| | Isabella Mortimer Countess of Arundel …–1300 John FitzAlan 7th Earl of Arundel 1246–1272 | | |
| | Maud de Braose Baroness Wigmore 1226–1301 Roger Mortimer of Wigmore, 1st Baron Mortimer 1231–1282 | | |
| | Nicholas Poyntz 2nd Baron Poyntz …– | | |
| | Milicent de Cantilupe …–… | | |
| | Eve (Eva) de Braose …–1255 | | |
| | Eve (Eva) Marshall 1203–1246 William de Braose 10th Baron Abergavenny 1197–1230 | | |
| | Isabel de Clare 1172–1220 William Marshall 1st Earl of Pembroke 1146–1219 | | | | Richard de Clare 1130–1176 Aoife MacMurrough 1145–1188 | | | | Gilbert de Clare 1100–1147 | | | | Gilbert Fitz Richard 1070–1117 Adeliza of Clermont … …–… | | | | Richard fitz Gilbert 1030–1091 Rohese Giffard de Bolebec …–… | | |
| | | Hugh I … Count of Clermont …–… Margaret of Montdidier … …–… | | |
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| | | Robert de Beaumont 1st Earl of Leicester …–… Elizabeth (Elisabeth or Isabel) de Vermandois 1081–1131 | | | | Hugh I … Count of Vermandois 1053–1101 Adelaide … Countess of Vermandois 1062–1122 | | |
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| | | Diarmait (Diarmaid, Dermot or Dermod) mac Murchada (mac Murchadha or MacMurrough) 1110–1171 | | | | Enna … King of Leinster …–1126 | | | | Donchad … King of Leinster …–1126 | | |
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