| Name | Iorwerth Drwyndwn | |
| Gender | Male | |
| Person ID | I1953 | Royal family |
| Last Modified | 15 Sep 2005 | |
| Father | Owain Gwynedd | |
| Mother | UNKNOWN | |
| Family ID | F831 | Group Sheet | Family Chart |
| Family | ||||
| Children |
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| Family ID | F830 | Group Sheet | Family Chart | ||
| Last Modified | 15 Sep 2005 | |||
