| Father | Male William De Percy |
| Born | Abt 1192 | Of, Alnwick, Northumberland, England |
| Died | Bef 28 Jul 1245 | |
| Buried | Bef 28 Jul 1245 | Salley Abbey, Craven, Yorkshire, England |
| Married | Abt 1222 | Of, Warwick, Warwickshire, England |
| Father | Henry De Philicia | F26339 Group Sheet | |
| Mother | Isabel Brus | F26339 Group Sheet | |
| Mother | Female Joan De Briwere |
| Born | Abt 1189 | , Stoke, Devonshire, England |
| Died | ||
| Buried | Bef 12 Jun 1233 | Hospital, Sandown, Surrey, England |
| Father | William De Briwere | F16718 Group Sheet | |
| Mother | Beatrice De Vaux | F16718 Group Sheet | |
| Child 1 | Female + Anastasia Percy |
| Born | Abt 1215 | Of, Alnwick, Northumberland, England |
| Died | ||
| Buried | ||
| Spouse | Ralph Fitz Randolph | F26319 | |
| Married | ||