
| Name | Membyr "Ddu" Ap GRUFFUDD | |
| Birth | 1114 | Of, Caernarvonshire, , Wales |
| Gender | Male | |
| _FSFTID | L27J-V17 | |
| _UID | D0D921E77B1D454CA5D73D7B65B50D9ED3EA | |
| Death | Dec 1169 | |
| Person ID | I32798 | Ken Tree |
| Last Modified | 3 Nov 2019 | |
| Father | King Gruffydd ap Cynan, b. 1050, Montgomery, Montgomeryshire, Wales d. 1137, Caernarfonshire, Wales, United Kingdom (Age 87 years) | |
| Mother | Angarad Ferch Owain, b. 1065, Flintshire, Wales, United Kingdom d. 1162, Caernarfonshire, Wales, United Kingdom (Age 97 years) | |
| _UID | DE3DCCED930C7B4F8D7D3834B51E9728454C | |
| Family ID | F14979 | Group Sheet | Family Chart |