| MACDONALD | ||
| Allan | born 1170 | died 1234 |
| MAGDALENE | ||
| Mary | born 3 | died 63 |
| MARSHALL | ||
| Eve | born 1206 | died 1246 |
| Grace H. | died 1997 | |
| Isabel | born 1206 in Pembroke, Pembrokeshire, Wales. | died 16 Jan 1240 in Berkhamstead, Hertfordshire, Lincoln |
| William | born 1144 | died 14 May 1219 |
| MARTEL | ||
| Charles | died 741 | |
| MAUDUIT | ||
| Isabel | ||
| MAULEVERER | ||
| Sarah | ||
| MAW | ||
| Frederick | ||
| MAWR | ||
| LLeiffer "Good King Lucius" | died 22 Aug 139 | |
| Telladwr 'The Great' | ||
| MC MURROUGH | ||
| Eve | born 1141 | died 1177 |
| MEARBECK | ||
| Frances | died 1891 | |
| MEIRIONYDD | ||
| Meirchion | born Abt 445 | |
| MITCHELL | ||
| Elizabeth | died 1670 | |
| MURE OF ROWALLAN | ||
| Elizabeth dau. of Sir Alan |