| Sir Edmund de Mortimer & Margaret de Fiennes | |
| Husband | Wife |
| Sir Edmund de Mortimer | Margaret de Fiennes |
|
b: about 1252 of Wigmore d: 17 Jul 1304 |
b: 1262 Wigmore, H, England d: 1333 |
| Marriage: in 1285 in Fiennes, Bolonois, France. | |
| Parents | |
| Sir Roger de Mortimer (1231 - 1282) | William de Fiennes (1245 - 1302) |
| Maud de Braose (~1230 - <1301) | Blanche de Brienne (1245 - 1302) |
| Grand Parents | |
| Ralph de Mortimer (1190 - 1246) | |
| Gwaldys Verch Llewelyn (~1205 - 1251) | |
| Willaim "Black William" de Braose (1204 - 1230) | Jean de Brienne (1217 - 1296) |
| Eve Marshall (~1194 - <1246) | Jeanne de Chateaudun (1227 - ) |
| Children (Family Detail) | |
| Iseude de Mortimer | - b: about 1267 Wigmore, England |
| Roger de Mortimer | - b: 3 May 1287 Netherwood, Thornbury, Herefordshire, England |
| Matilda de Mortimer | - b: about 1286 Wigmore, Herefordshire, England |