William de St. Maur was born circa 1349 in England to Roger de St. Maur (c1321-1366) and Cecily de Beauchamp (c1331-1394) and died 25 August 1391 Brobury, Herefordshire, England of unspecified causes. He married Margaret de Brockbury (c1350-) .
Children
Name | Birth | Death | Joined with |
Roger Seymour (1370-1420) | 1349 England | 1420 England | Maud Esturmy (c1374-) |
Siblings
Name | Birth | Death | Joined with |
William de St. Maur (c1349-1391) | 1349 England | 25 August 1391 Brobury, Herefordshire, England | Margaret de Brockbury (c1350-) |
Ralph Seymour (c1350-c1375) |