Roger de St. Maur was born circa 1298 in England to Roger de St. Maur (c1273-c1300) and died after 1321 England of unspecified causes. He married Joan Demoral (c1301-) .
Children
| Offspring of Roger de St. Maur and Joan Demoral (c1301-) | |||
| Name | Birth | Death | Joined with |
| Roger de St. Maur (c1321-1366) | 1321 England | 29 January 1366 England | Cecily de Beauchamp (c1331-1394) |
Siblings
| #g1: Offspring of Roger de St. Maur (c1273-c1300) and unknown parent | |||
|---|---|---|---|
| Name | Birth | Death | Joined with |
| Roger de St. Maur (c1298-c1321) | 1298, England | 1321, England | Joan Demoral (c1301-) |
