| Male John de Segrave |
| Birth | ||
| Death | Bef 1 Apr 1353 | |
| Burial | ||
| Marriage | Abt 1349 | |
| Father | John de Segrave, 4th Baron Segrave | F1631 Group Sheet | |
| Mother | Margaret, of Brotherton, Countess of Norfolk | F1631 Group Sheet | |
| Female Blanche de Mowbray |
| Birth | ||
| Death | 1409 | |
| Burial | ||
| Father | John de Mowbray | F1630 Group Sheet | |
| Mother | Joan, of Lancaster | F1630 Group Sheet | |
