Individual Details
Helen ( Ellen) Verch Llewelyn Princess of Wales
( - )
Events
| Marriage | Abt 1269 | Kildrummy, Aberdeenshire, Scotland - Domhnall 1st of Mar | |||
| Birth | Caernarvonshire, Gwynedd, Wales | ||||
| Death |
Families
| Spouse | Domhnall 1st of Mar (1243 - 1297) |
| Child | Isabell (Matilda) de Mar (1277 - 1297) |
| Child | Gratney Mormaer of Gartnait 7th Earl of Mar (1272 - 1305) |
| Child | Duncan de Mar (1274 - ) |
| Child | Marjory (Margaret) of Mar (1270 - 1326) |
| Child | Alexander de Mar (1276 - ) |
| Child | Mary Ehislach of Mar (1280 - 1281) |
| Father | Llywelyn "the Great/Fawr" ap Iorwerth Prince of North Wales ( - ) |
| Mother | Mistress ( - ) |
| Sibling | Margaret verch Llewelyn (1202 - 1263) |
| Sibling | Gwladys "the Dark" ferch Llewelyn Princess of North Wales ( - 1251) |