| Name | Rhiwallon ap Cynfyn o Powys | |
| Born | 1040 | |
| Gender | Male | |
| Died | 1070 | |
| Person ID | I3927 | My Roots |
| Last Modified | 25 Jul 2004 | |
| Father | Cynfyn ap Gwerystan o Powys, b. 1002 | |
| Mother | Angharad verch Maredudd o Deheubarth, b. 0982 | |
| Family ID | F931 | Group Sheet | Family chart |
| Children |
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| Family ID | F929 | Group Sheet | Family chart | ||