| Relationship to me: | unrelated | |
| Born | June 1, 1300 Brotherton,Yorkshire,England | |
| Died | August 1338; buried Abbey of Bury St Edmunds, Suffolk | |
| Age | 38 | |
| Father: | King Edward I | |
| Mother: | Marguerite of France le Hardi | |
| Brothers: | ||
| Sisters: | ||
| Married: | (1) Alice (Itayls) Hayles, about 1316 (Katherine daughter of Sir Roger Haleys, Knight of Hawichshire County Essen) about 1316 | |
| (2) Mary de Ros, about 1328 | ||
| Children: | Margaret Marshall Plantagenet, Duchess of Norfolk | c1321 - 1399 |
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.