KLDeWitt Genealogy Research Project
Our Family's Journey Through Time from Europe and Canada to the US

| Roger Mortimer, 3rd Baron Mortimer 1st Earl of March | |
| B: | 25 Apr 1287 |
| D: | 29 Nov 1330 |
| Joan de Geneville, 2nd Baroness Geneville Baroness Mortimer | |
| B: | 2 Feb 1286 |
| D: | 19 Oct 1356 |
![]() | Margaret de Fiennes |
| Margaret de Fiennes | |
| B: | Aft 1269 |
| D: | 7 Feb 1333 |
![]() | Edmund Mortimer, 2nd Baron Mortimer |
| Edmund Mortimer, 2nd Baron Mortimer | |
| B: | 1251 |
| D: | 17 Jul 1304 |
![]() | Blanche de Brienne, Baroness Tingry Dame de la Loupeland |
| Blanche de Brienne, Baroness Tingry Dame de la Loupeland | |
| B: | Abt 1252 |
| D: | Abt 1302 |
|
![]() | John de Brienne, II Sir Grand Butler of France Ambassador to Castille |
| John de Brienne, II Sir Grand Butler of France Ambassador to Castille | |
| B: | Abt 1231 |
| D: | Abt 1296 |
![]() | Jeanne de Châteaudun, Dame de Châteaudun |
| Jeanne de Châteaudun, Dame de Châteaudun | |
| B: | Abt 1227 |
| France | |
| D: | Aft 1252 |
![]() | Marie de Coucy, Queen Consort of Scotland |
| Marie de Coucy, Queen Consort of Scotland | |
| B: | Abt 1218 |
| France | |
| D: | 1285 |
We make every effort to document our research. If you have something you would like to add, please contact us.