| Earliest Ancestor(s) | Ifor Bach (Ivor the short)(Lord of Senghenydd) Ap Meurig Fychan (maid. name 1) & Nest Verch Gruffudd (maid. name 1) |
| Origins | About 1110, Senghennydd, Glamorganshire, Wales |
| Descendants | 200 Descendants / 24 Generations. |
| Variant Spellings | ApMeurigFychan, Ap Meurig Fychan |