- b.~ 1250 in Is Coed, Cardiganshire, Wales
- b.~ 1275 in Is Coed, Cardiganshire, Wales
- b.1318 in Is Coed, Cardiganshire, Wales
- b.~ 1129 in Aberffraw Castle, Anglsy, Wales d.~ 1174
- b.1173 in Aberffraw Castle, Aberconway, Wales d.11 Apr 1240 in Aberconway, North Wales
- b.~ 1129 in Powys-Vadoc, Wales
- b.~ 1206 in Gwynedd, Caernarvonshire, Wales d.1 MAR 1243/44 in fall from Tower of London, Middlesex, England
- b.~ 1139 in Rhos, Denbighshire, Wales
- b.~ 1178 in Rhos, Denbighshire, Wales d.~ 1206
- b.~ 1150 in Menai, Anglesey, Wales
- b.~ 1230 in Gwynedd, Caernarvonshire, Wales d.11 Dec 1282 in Battle at Builth, Powys, Wales
- b.1140 in Isle of Man, British Crown dependancy d.10 Nov 1187 in Isle of Man, British Crown dependancy
- 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
- b.1279 in Llanfaes, Gwynedd, Wales
- b.1117 in Montfort-l'Amaury Castle, Ile-de-France, France d.13 MAR 1180/81 in France
- b.~ 1165 in Montfort-l'Amaury Castle, Ile-de-France, France d.25 Jun 1218 in Toulouse, France (Slain while besieging)
- b.~ 1147 in Leicestershire, England d.03 Sep 1215
- b.~ 1208 in Montfort-l'Amaury Castle, Ile-de-France, France d.04 Aug 1265 in Battle of Evesham, Worcestershire, England
- b.~ 1129 in Montmorency, Val d'Oise, France d.1189
- b.~ 1176 in Montmorency, Val d'Oise, France d.22 FEB 1220/21 in Haute-Bruyere near Montfort-l'Amaury Castle, Ile-de-France, France
- b.~ 1142 in Mons, Hainault, Belgium d.09 Aug 1181
- b.29 Sep 1252 in Kenilworth Castle, Warwickshire, England d.Jun 1282 in Llanfaes, Gwynedd, Wales
- b.5 MAR 1132/33 in Le Mans, Maine, France d.06 Jul 1189 in Chinon near Tours, Indre-et-Loire, France
- b.24 Dec 1166 in Kings Manor House, Oxford, Oxfordshire, England d.19 Oct 1216 in Newark Castle, Nottinghamshire, England
- b.1123 in Chateau de Belin-Beliet, Gironde, Aquitaine, France d.31 Mar 1204 in Fontevraud-l'Abbaye, Touraine, France
- b.1215 in Gloucester, Gloucestershire, England d.13 Apr 1275 in Montargis Abbey, Loiret, Orleanais/Centre, France
- b.~ 1160 in Angouleme, Aquitaine, France d.1218 in Abbey, La Couroun, France
- b.1188 in Angouleme, Charente, Poitou-Charentes, France d.31 May 1246 in Fontevault Abbey, Fonervrault, Maine-et-Loire, France
- b.~ 1161 in Courtenay, Gatinais, Isle-de-France, France d.14 Sep 1205 in France