| Relationship to me: | unrelated | |
| Born | 1338 | |
| Died | 1368 (Burke's Peerage says died 1375) | |
| Age | c 30 or 37 | |
| Father: | John Lord Segrave 4th | |
| Mother: | Margaret Marshall Plantagenet, Duchess of Norfolk | 1321 - 1399 |
| Brothers: | ||
| Sisters: | ||
| Married: | John Mowbray, Lord Mowbray 4th , 1353, [John Mowbray of Avonbobsne] | died 10/9/1368 |
| Children: | Thomas Mowbray, Duke of Norfolk, [Thomas de Mowbray created Duke of Norfolk] | 1366 - 1400 |
In Oct 2020, Gay Brennan established that the Wyndhams are not ancestors of the Newmans as used to be thought. See note on Dinah Wyndam's page.