| Name | Llywelyn ap Owain | |
| Born | Abt 1345 | Of Llystyn, Nevern, Pembrokeshire, Wales |
| Gender | Male | |
| Person ID | I3887 | My Roots |
| Last Modified | 25 Jul 2004 | |
| Father | Owen ap Einion, b. Abt 1305, Pembrokeshire, Wales | |
| Mother | Gwenllian Coatington, b. 1315, Pembrokeshire, Wales | |
| Family ID | F912 | Group Sheet | Family chart |
| Family | Nest verch Howel Fychan, b. Abt 1348, Of Coed Rhath, Pembrokeshire, Wales | |||
| Children |
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| Family ID | F340 | Group Sheet | Family chart | ||