
| Name | Iorwerth ap Cadwgon | |
| Prefix | Lord | |
| Suffix | of Builth | |
| Birth | 1027 | Radnorshire, Wales, United Kingdom |
| Gender | Male | |
| _FSFTID | LYQ1-9KM | |
| _UID | DF6D8B3C10F866439E71B5D833506481C83A | |
| Death | DECEASED | |
| Person ID | I32897 | Ken Tree |
| Last Modified | 3 Nov 2019 | |
| Mother | Efa verch Gwrgan, b. 1035, Glamorgan, Wales, United Kingdom d. DECEASED | |
| _UID | 5E0FAEA874FA8E4B80609D2C2AF5A872EC9D | |
| Family ID | F15029 | Group Sheet | Family Chart |
| Family | Wife of Iorwerth d. DECEASED | |||
| _UID | 4642B871FB537E40ADBA87C77B273CC414B4 | |||
| Children |
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| Family ID | F15005 | Group Sheet | Family Chart | ||
| Last Modified | 1 Apr 2026 | |||