| Father | Male William De Roos |
| Born | Abt 1202 | |
| Died | 1257 | |
| Buried | ||
| Married | ||
| Father | Robert De Roos | F11097 Group Sheet | |
| Mother | Isabella Princess Of Scotland | F11097 Group Sheet | |
| Mother | Female Lucy Fitz Piers |
| Born | ||
| Died | ||
| Buried | ||
| Father | Piers Fitz Herbert | F11044 Group Sheet | |
| Mother | ||
| Child 3 | Male + William De Roos |
| Born | Abt 1243 | Of, Ingmanthorpe |
| Died | Abt 20 May 1310 | |
| Buried | ||
| Spouse | Eustache Gresley | F4734 | |
| Married | 1267 | |