| | Baron Edmund Deincourt 1248–1327 Isabel de Mohun 1243–1280 | | | | Agnes de Neville 1221–1293 | | | | Oliver Deincourt 1196–1246 Nichola de Camville 1180–1226 | | | | Oliver Deincourt 1162–1201 | | |
| | | Gerald de Camville 1144–1212 Nichola de Haye 1150–1230 | | |
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| | | Geoffrey FitzRobert de Neville 1197–1242 Joan Margaret de Monmouth 1201–1247 | | | | Robert FitzMaldred 1170–1248 Isabel de Neville 1176–1254 | | |
| | | John de Monmouth 1180–1257 | | |
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| | | Baron Reynold II de Mohun of Dunster 1202–1257 Isabel de Ferrers 1226–1260 | | | | Sir William III de Ferrers 1193–1254 Margaret de Quincy 1218–1284 | | | | Sir William de Ferrers 1172–1247 Lady Agnes de Meschines de Kevelioc 1174–1247 | | |
| | | Roger de Quincy 1195–1264 Helen de Galloway 1196–1245 | | |
| | | William Marshall 1149–1219 Isabel FitzGilbert de Clare 1172–1220 | | |
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