Margaret MORTIMER
| First Cousins | |
|---|---|
| 1 | Humphrey DE BOHUN, 4th Earl of Hereford , b. 1276 d. 16 Mar 1322 |
| Second Cousins | |
|---|---|
| 1 | Eleanor DE WARENNE |
| 2 | Isabella DE WARENNE, Baroness of Bywell , b. Abt 1253 d. Bef 1292 |
| 3 | William DE WARENNE , b. 9 Feb 1256 d. 15 Dec 1286 |
