| Father | Male Stephen John De Seagrave |
| Born | Abt 1319 | |
| Died | ||
| Buried | ||
| Married | ||
| Father | John De Segrave, [Baron] | F15732 Group Sheet | |
| Mother | Christiane Du Plessis, [Baroness] | F15732 Group Sheet | |
| Mother | Female Alice "Aline" Arundell |
| Born | Abt 1288 | Of, England |
| Died | Aft 4 Dec 1325 | |
| Buried | ||
| Father | ||
| Mother | ||
| Child 1 | Male + John De Segrave, [Baron Segrave] |
| Born | 1313 | , Norfolk, England |
| Died | 24 Mar 1353 | Spm |
| Buried | ||
| Spouse | Margaret Plantagenet, [Duchess] | F8918 | |
| Married | 1336 | |