
| Gwenllian verch Owain Gwynedd | |
| B: | Abt 1135 |
| Caernarvonshire, Wales | |
| D: | Abt 1197 |
| Wales | |
| Llewelyn Fawr Wales ApIorwerth | |
| B: | 1130 |
| Wales, United Kingdom | |
| D: | 1184 |
| Caernarfonshire, Wales, United Kingdom | |
| Owain " The Red" Goch, King of Gwynedd | |
| B: | 1164 |
| Wales, United Kingdom | |
| D: | DECEASED |
| Dafydd Ap Iorwerth | |
| B: | 1167 |
| Wales, United Kingdom | |
| D: | 1203 |
| Gwladus ferch Llewellyn | |
| B: | 5 Dec 1194 |
| Aberffraw Castle, Anglesey, Wales | |
| D: | 1251 |
| Windsor, Berkshire, England | |
| Margred Verch Llewelyn | |
| B: | 1202 |
| Glamorgan, Wales, United Kingdom | |
| D: | 28 Oct 1267 |
| Clifford Castle, Herefordshire, England, United Kingdom | |
| Sir John de Braose | |
| B: | 1197 |
| Gower, Glamorgan, Wales | |
| M: | 1219 |
| Bramber, Sussex, , England | |
| D: | 18 Jul 1232 |
| Bramber, Sussex, England | |
| Angharad verch Llewelyn | |
| B: | May 1205 |
| Wales | |
| D: | 1257 |
| Wales, United Kingdom | |
| Gwenlian Las Verch Llywelyn | |
| B: | 1208 |
| Caernarfonshire, Wales, United Kingdom | |
| D: | 1251 |
| Windsor, Berkshire, England, United Kingdom | |
| Susanna verch Llewelyn | |
| B: | Abt 1209 |
| Gwynedd, Wales, United Kingdom | |
| D: | Aft Nov 1228 |
| Margaret verch Llywelyn | |
| B: | 1210 |
| Caernarfonshire, Wales | |
| D: | 1263 |
| Clifford Castle, Herefordshire, England | |
| Daffyd ap Llewelyn, Prince of Gwynedd | |
| B: | Mar 1212 |
| Bagillt, Flintshire, Wales, United Kingdom | |
| D: | 25 Feb 1246 |
| Aber, Gwynedd, Wales, United Kingdom | |
| Dafydd ap Llywelyn | |
| B: | 1215 |
| D: | 1246 |
| Angharad Verch Liewelyn | |
| B: | 1215 |
| D: | 1257 |
| Elen or Helen Verch Llewelyn, Countess of Chester | |
| B: | 1243 |
| Caernarvon Castle, Caernarfonshire, Wales | |
| D: | 14 Feb 1295 |
| Kildrummy, Aberdeenshire, Scotland, United Kingdom | |
| Princess Elen verch Llywelyn | |
| B: | 1244 |
| Gwynedd, Wales, United Kingdom | |
| D: | 28 Oct 1280 |
| Chester, Cheshire, England | |
| Howel Ap Llewelyn | |
| B: | Llanedwen, Isle of Anglesey, Wales, United Kingdom |
| D: | DECEASED |
| Tudur ap Gronwy | |
| B: | Denbighshire, Wales, United Kingdom |
| D: | DECEASED |
| Tudur ap Llywelyn | |
| B: | Isle of Anglesey, Wales, United Kingdom |
| D: | DECEASED |
| Llywelyn ab Iorwoerth | |
| B: | 1173 |
| Aberffraw Castle, Anglesey, Wales | |
| D: | 11 Apr 1240 |
| Conwy, Caernarfonshire, Wales, United Kingdom | |
| Joan, of England | |
| B: | 1183 |
| London, Middlesex, England | |
| D: | 2 Feb 1237 |
| Aber, Gwynedd, Wales, United Kingdom | |
| Adda Ap Iorwerth Drwyndwn | |
| B: | 1175 |
| Gwynedd, Caernarvonshire, , Wales | |
| D: | 11 Apr 1240 |
| Arllechwedd Isaf, Caernarvonshire, , Wales | |
| Catherine Verch Owain | |
| B: | 1175 |
| Aberffraw, Isle of Anglesey, Wales, United Kingdom | |
| D: | DECEASED |
| Catherine Verth Gwynedd | |
| B: | 1175 |
| D: | DECEASED |
| Vychan ap Liewelyn | |
| B: | 1238 |
| Presteigne, Radnorshire, Wales | |
| D: | Wales |
| Margaret ApIthel | |
| B: | 1390 |
| Wales, United Kingdom | |
| D: | DECEASED |
| Ievan ap Owain Gwynedd | |
| D: | 1195 |
| Davydd Iorwerth | |
| D: | 1203 |
| Dafydd ap Madog Llwyd | |
| B: | Llowarch Hwlbwrch, Wales |
| D: | 1399 |
| Griffith ( Gruffydd) ap Iorwerth | |
| D: | DECEASED |
| Gwerful Llwyd ferch Iorwerth | |
| B: | Montgomeryshire, Wales, United Kingdom |
| D: | DECEASED |
| Maelgwin Iorwerth | |
| D: | DECEASED |
| Margaret Iorwerth | |
| D: | DECEASED |
| Iorwerth Drwyndwn 'The Broken Nose' 'King of Gwynedd | |
| B: | 1145 |
| Aberffraw Castle, Anglesey, Wales | |
| D: | 1184 |
| Pennant, Cardiganshire, Wales, United Kingdom | |
| Marared verch Madog | |
| B: | 1129 |
| Montgomeryshire, Powys, Wales, United Kingdom | |
| M: | 1163 |
| Aberffraw Castle, Anglesey, Wales | |
| D: | 1198 |
| Gwynedd, Wales, United Kingdom | |
|
| Prince Owain Gwynedd Gruffydd | |
| B: | Abt 1087 |
| Wales, United Kingdom | |
| D: | 28 Nov 1170 |
| Caernarfonshire, Wales, United Kingdom | |
| Gwladys verch Llywarch, of S. Wales | |
| B: | 1098 |
| Montgomeryshire, Wales, United Kingdom | |
| D: | 1155 |
| Aberffro, Anglesey, Wales | |