John de Mowbray, 4th. Baron Mowbray
1340 - 1368 (27 years)(Notes: You may have to scroll down or right to see chart.)
| John Howard, 1st. Duke of Norfolk Abt 1425-1485 |
| John Howard, 1st. Duke of Norfolk | |
| B: | Abt 1425 |
| Stoke by Nayland, Suffolk, England | |
| D: | 22 Aug 1485 |
| Battle of Bosworth Field, Leicestershire, England | |
Katherine Moleyns 1424-1465 |
| Katherine Moleyns | |
| B: | 1424 |
| Stoke Poges, Buckinghamshire, England | |
| D: | 3 Nov 1465 |
| Stoke by Nayland, Suffolk, England | |
| Margaret Chedworth 1436-1494 |
| Margaret Chedworth | |
| B: | 1436 |
| D: | 1494 |
| Lady Margaret de Mowbray Abt 1391-1459 |
| Lady Margaret de Mowbray | |
| B: | Abt 1391 |
| D: | 1459 |
| Sir Robert Howard Abt 1385-1436 |
| Sir Robert Howard | |
| B: | Abt 1385 |
| Stoke by Nayland, Suffolk, England | |
| D: | 1 Apr 1436 |
| Thomas de Mowbray, 1st. Duke of Norfolk 1366-1399 |
| Thomas de Mowbray, 1st. Duke of Norfolk | |
| B: | 22 Mar 1366 |
| Epworth, Lincolnshire, England | |
| D: | 22 Aug 1399 |
| Venice, Italy | |
| Lady Elizabeth D'Arundelle FitzAlan 1366-1425 |
| Lady Elizabeth D'Arundelle FitzAlan | |
| B: | 1366 |
| Derbyshire, England | |
| D: | 8 Jul 1425 |
| Hoveringham, Nottinghamshire, England | |
| Elizabeth le Strange Unknown-Unknown |
| Elizabeth le Strange | |
| B: | Unknown |
| D: | Unknown |
| John de Mowbray, 4th. Baron Mowbray 1340-1368 |
| John de Mowbray, 4th. Baron Mowbray | |
| B: | 25 Jun 1340 |
| Epworth, Lincolnshire, England | |
| D: | 17 Jun 1368 |
| Thrace, TURKEY | |
| Elizabeth de Segrave 1338-1368 |
| Elizabeth de Segrave | |
| B: | 25 Oct 1338 |
| Croxton Abbey, Norfolk, England | |
| D: | 1368 |
| London, England | |