- b.1055 in Dublin, Ireland d.1137 in Wales
- b.~ 1100 in Aberffraw Castle, Angelesey, Wales d.Dec 1169 in Bangor Cathedral, Is Gwyrfai, Caernarvonshire, Wales
- b.~ 1065 in Tegaingl, Flintshire, Wales d.1162
- b.~ 1129 in Aberffraw Castle, Anglsy, Wales d.~ 1174
- b.~ 1070 in Arwystli, Powys, Wales d.~ 1129
- b.~ 1098 in Pembroke, Montgomershire, Wales d.< 1155
- b.~ 1060 in Buillth, Breconshire, Wales
- b.1173 in Aberffraw Castle, Aberconway, Wales d.11 Apr 1240 in Aberconway, North Wales
- b.~ 1047 in Monmouthshire, Wales d.~ 1132
- b.~ 1097 in Powys, Wales d.1160 in Winchester, Herefordshire, England
- b.~ 1078 in Dyffryn Clwyd, Denbighshire, Wales
- b.~ 1129 in Powys-Vadoc, Wales
- b.1055 in Dublin, Ireland d.1137 in Wales
- b.~ 1098 in Caernarvonshire, Wales
- b.~ 1065 in Tegaingl, Flintshire, Wales d.1162
- b.~ 1206 in Gwynedd, Caernarvonshire, Wales d.1 MAR 1243/44 in fall from Tower of London, Middlesex, England
- b.~ 1114 in Dembighshire, Wales
- b.~ 1139 in Rhos, Denbighshire, Wales
- b.~ 1118 in Dembighshire, Wales
- b.~ 1178 in Rhos, Denbighshire, Wales d.~ 1206
- b.~ 1107 in Menai, Anglesey, Wales
- b.~ 1150 in Menai, Anglesey, Wales
- b.~ 1073 in Tegaingl, Flintshire, Wales d.1124
- b.~ 1121 in Tegaingl, Flintshire, Wales
- b.~ 1077 in Uwch Dulas, Denbighshire, Wales
- b.~ 1234 in Gwynedd, Caernarvonshire, Wales d.03 Oct 1283 in Beheaded at Shrewsbury, Shropshire, England
- b.~ 1040 in Isle of Man, British Crown dependancy d.1095 in Isle of Man, British Crown dependancy
- b.~ 1095 in Isle of Man, British Crown dependancy d.29 Jun 1153
- b.~ 1050 in Yorkshire, England
- b.1140 in Isle of Man, British Crown dependancy d.10 Nov 1187 in Isle of Man, British Crown dependancy
- b.1096 in Carrick, Ayrshire, Scotland d.12 May 1166 in Abbey of Holyrood, Edinburgh, Scotland
- b.1120 in Wigtown, Galloway, Scotland
- b.1095 in England
- b.1180 in Isle of Man, British Crown dependancy d.1229 in killed on Isle of Man, British Crown dependancy
- b.1145 in Ireland
- b.~ 1210 in Isle of Man, British Crown dependancy