| Father | Male William De Roos |
| Born | Abt 1243 | Of, Ingmanthorpe |
| Died | Abt 20 May 1310 | |
| Buried | ||
| Married | 1267 | |
| Father | William De Roos | F11059 Group Sheet | |
| Mother | Lucy Fitz Piers | F11059 Group Sheet | |
| Mother | Female Eustache Gresley |
| Born | Abt 1245 | |
| Died | ||
| Buried | ||
| Other Spouse | Nicholas Cantilupe | F11045 | |
| Married | Abt 1229 | |
| Father | Ralph Fitz Hugh | F11048 Group Sheet | |
| Mother | ||
| Child 1 | Female + Lucy Roos |
| Born | Abt 1269 | Of, Plumpton, Yorkshire, England |
| Died | Aft 1331 | |
| Buried | ||
| Spouse | Robert Plumpton | F4719 | |
| Married | Abt 1294 | Of, Plumpton, Yorkshire, England |