| Male John de Mowbray, 4th Baron Mowbray |
| Birth | 24 Jun 1340 | |
| Death | 19 Oct 1368 | |
| Burial | ||
| Marriage | Abt 1349 | |
| Father | John de Mowbray | F1630 Group Sheet | |
| Mother | Joan, of Lancaster | F1630 Group Sheet | |
| Female Elizabeth de Segrave |
| Birth | 25 Oct 1338 | |
| Death | 1368 | |
| Burial | ||
| Father | John de Segrave, 4th Baron Segrave | F1631 Group Sheet | |
| Mother | Margaret, of Brotherton, Countess of Norfolk | F1631 Group Sheet | |
| Male Thomas de Mowbray, Duke of Norfolk |
| Birth | 22 Mar 1366 | Epworth, Lincolnshire, England, United Kingdom  |
| Death | 22 Sep 1399 | Venice, , Veneto, Italy |
| Burial | ||
| Spouse | Lady Elizabeth FITZALAN | F1628 | |
| Marriage | 1384 | |
