Individual Details
Thomas ap GRONWY
( - )
Events
| Birth | of Llandegfan,Dindaethwy,Anglesey,Wales | ||||
| Death | |||||
| Christen | {Grffdd ap Cynn} |
Families
| Father | Grono AP TEWDWR TREVOR (930 - ) |
| Mother | Tanglwyst ferch DINAWAL (930 - ) |
| Sibling | Rhiengar Gwen FERCH GRONO of Denbighshire (964 - 1058) |
| Sibling | Sybil de Yorkshire (970 - ) |