Father | MaleSir William 1st Lord DE ATON |
| Born | 1318 | Ayton, Yorkshire, England |
| Died | 1388 | West Ayton, Yorkshire, England |
| Buried | ||
| Married | 1340 | Alnwick, Northumberland, England |
| Father | ||
| Mother | ||
Mother | FemaleIsabel DE PERCY |
| Born | 1326 | Alnwick Castle, Northumberland, England |
| Died | 25 May 1368 | Alnwick, Northumberland, England |
| Buried | ||
| Father | Sir Henry IV 2nd Baron Percy of Alnwick DE PERCY | F1100 Group Sheet | |
| Mother | Idonea Baroness Percy DE CLIFFORD | F1100 Group Sheet | |
Child 1 | FemaleAnastasia DE ATON |
| Born | 1353 | Malton, Yorkshire, England |
| Died | Somme, Picardie, France |
|
| Buried | ||
| Spouse | Edward ST. JOHN | F1098 | |
| Married | ||
Child 2 | FemaleCatherine DE ATON |
| Born | 1367 | Malton, Yorkshire, England |
| Died | 1422 | Yorkshire County, England |
| Buried |