Father | MaleSir Henry II 7th Baron Percy de Percy |
| Born | 1235 | Alnwick, Northumberland, England |
| Died | 29 Aug 1272 | Alnwick, Northumberland, England |
| Buried | ||
| Married | 08 Sep 1268 | York, Yorkshire, England |
| Father | ||
| Mother | ||
Mother | FemaleEleanor de Warenne Plantagenet |
| Born | 1251 | Warren, Sussex, England |
| Died | 1282 | Craven, Yorkshire, England |
| Buried | ||
| Father | John 7th Earl of Surrey Plantagenet de Warenne | F1103 Group Sheet | |
| Mother | Alice "Le Brun" de Lusignan | F1103 Group Sheet | |
Child 1 | MaleSir Henry III 1st Baron Percy of Alnwick de Percy |
| Born | 25 Mar 1273 | Alnwick, Northumberland, England |
| Died | Oct 1314 | Fountains Abbey, Yorkshire, England |
| Buried | ||
| Spouse | Eleanor FitzAlan | F1101 | |
| Married | 1299 | Alnwick, Northumberland, England |