
MaleKing of Gwynedd and Prince of Wales under King John I and King Henry III of England King Llewelyn Ap Iorwerth, Of Wales |
| Birth | 1173 | Dowyddelan, Gwynedd, Caernarvonshire, Cymru Wales |
| Christening | 11 Nov 1173 | |
| Death | 11 Apr 1240 | Conwy, Caernarfonshire, Wales |
| Burial | Apr 1240 | Conwy, Caernarfonshire, Wales |
| Marriage | 23 Mar 1204 | |
| Other Spouse | Tangwystl Goch | F61236 | |
| Marriage | ||
| Father | Iorwerth ab Owain | F6820 Group Sheet | |
| Mother | Marared Verch Madog | F6820 Group Sheet | |
FemalePrincess Joan Lackland Plantagenet |
| Birth | 22 Jul 1188 | Coucy, Ardennes, Champagne-Ardenne, France |
| Christening | 1265 | Windsor Castle, Berkshire, England |
| Death | 2 Feb 1237 | Aber, Caernarfonshire, Wales |
| Burial | Feb 1237 | Saint Mary's At Beaumaris, Beaumaris, Isle of Anglesey, Wales |
| Father | King John Plantagenet, 1 Of England | F9727 Group Sheet | |
| Mother | Clemence | F9727 Group Sheet | |
FemaleGwladus Ferch Llywellyn |
| Birth | 1206 | Gwynedd, Caernarvonshire, Wales |
| Death | 24 Oct 1251 | Windsor, Berkshire, England |
| Burial | 1251 | Windsor, Berkshire, England |
| Spouse | Ralph De Mortimer, Lord Of Wigmore | F9630 | |
| Marriage | 1230 | Cwmaron Castle, Radnorshire, Wales |
| Spouse | Reginald De Braose | F48936 | |
| Marriage | ||
FemalePrincess of Gwynedd, Princess of Wales, Countess of Huntingdon and Chester, Elen Ferch Llywelyn |
| Birth | 1207 | Abergwyngregyn, Gwynedd, Wales |
| Death | 1253 | Gwynedd, Wales |
| Burial | ||
| Spouse | John De Huntingdon, 9th Earl Of Huntingdon And 7th Earl Of Chester | F61237 | |
| Marriage | 1222 | |
| Spouse | Robert De Quincy, The Younger | F61238 | |
| Marriage | ||
FemaleMargred Verch Llywelyn Of Caernarfonshire |
| Birth | Abt 1208 | Caernarfonshire, Wales |
| Christening | 1208 | Gloucestershire, England, United Kingdom |
| Death | 28 Oct 1267 | Clifford Castle, Herefordshire, England, United Kingdom |
| Burial | Aft 28 Oct 1267 | Aconbury, Herefordshire, England |
| Spouse | Walter De Clifford, III Cortham | F10501 | |
| Marriage | ||
| Spouse | Sir John De Braose, Lord Of Bramber Gower | F40543 | |
| Marriage | 1219 | Wales |
MaleDaffyd Ap Llewelyn, Prince Of Gwynedd |
| Birth | Mar 1212 | Bagillt, Flintshire, Wales |
| Death | 25 Feb 1246 | Aber Garth Celyn, Gwynedd, Wales |
| Burial | 1246 | Conwy, Wales |
| Spouse | Isabella De Braose | F15792 | |
| Marriage | Abt 1231 | Caernarfonshire, Wales |
FemaleElen Ferch Llywelyn |
| Birth | 1230 | Cantref, Breconshire, Wales |
| Death | 16 Feb 1295 | Shere, Surrey, England |
| Burial | 1295 | Holme Abbey, Holme Cultram, Cumberland, England |
| Spouse | 6th Earl of Mar Domhnall Mac Uillem, 6th Earl Of Mar | F6803 | |
| Marriage | Aft 1266 | |