Biography
Elizabeth de Mowbray was born circa 1399 to Thomas de Mowbray, 1st Duke of Norfolk (1366-1399) and Elizabeth FitzAlan (1366-1425) and died after 1 December 1423 of unspecified causes. She married Michael de la Pole, 3rd Earl of Suffolk (1394-1415) 1409 JL . She married Nicholas Audley (-1391) . She married John Beaumont (c1395) .
Children
| Name | Birth | Death | Joined with |
| Catherine de la Pole (1410) | 6 May 1410 | ||
| Elizabeth de la Pole (1411-bef1422) | |||
| Isabella de la Pole (1415-1422) | |||
| Jane de la Pole (c1417) | |||