Nielsen Hayden genealogy
Family: Thomas de Monthermer / Margaret de Brewes (F10306)
Ralph de Monthermer ( -1325) |
Joan of Acre (1272-1307) 
|
| Peter de Brewes (1273-1312)
|
| Agnes de Clifford ( -1331) |
Peter de Brewes ( -1378)  |
| John de Brewes (1303-1342) |
| Thomas de Monthermer (1301-1340)
|
| Margaret de Brewes (1303-1349)
|
| Margaret Monthermer (1329-1395) |