
| Name | Gwenllian verch LLYWELYN | |
| Nickname | Las | |
| Birth | Abt 1207 | Of, , Caernarvonshire, Wales |
| Gender | Female | |
| Death | 1250 | |
| Person ID | I13239 | Coombs |
| Last Modified | 3 Jan 2021 | |
| Father | Llewelyn ap IORWERTH, Prince of Wales, b. 1173, Aberffraw Castle, Caernarvonshire, Wales d. 11 Apr 1240, Aberconwy, Arllechwedd Isaf, Caernarvonshire, Wales (Age 67 years) | |
| Mother | Joan, Princess of England, b. Abt 1188, Of, London, Middlesex, England d. 2 Feb 1237, Aber, Caernarvon, Wales, United Kingdom (Age 49 years) | |
| Marriage | Aft 16 Apr 1205 | , , , England |
| Family ID | F2428 | Group Sheet | Family Chart |
| Family 1 | William De LACY | |
| Family ID | F5248 | Group Sheet | Family Chart |
| Last Modified | 2 Feb 2026 | |
| Family 2 | Ralph de MORTIMER, b. VOR 1198 d. GEGEN 1246 (Age 48 years) | |||
| Children |
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| Family ID | F6610 | Group Sheet | Family Chart | ||
| Last Modified | 2 Feb 2026 | |||
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