| | Margaret deMortimer 1352–… John II Touchet 1371–1408 | | |
| | Roger IV deMortimer 1328–1359 | | |
| | Edmund II deMortimer …–1331 | | |
| | Roger III deMortimer 1287–1330 | | | | Edmund de Mortimer 1261–1304 | | | | Roger II deMortimer 1231–… | | | | Ralph deMortimer 1190–1246 Gwladys Ddu ferch Llywellyn Aberffraw 1194–… | | | | Roger deMortimer 1158–1214 Millicent deFerrers 1164–1252 | | |
| | | Llywelyn Fawr Aberffraw 1173–1240 Tangwystl ferch Llywarch …–… Joanna of England 1210–1236 | | |
|
|
| | | WilliamV deBraose 1204–1230 | | | | | William the Protector Marshall 1146–1219 Isabelle FitzGilbert deClare 1171–1220 | | |
|
|
|
|
|
|
|
|
