| Male Baron William De Percy |
| Birth | 1112 | Alnwick, Northumberland, England |
| Death | 1168 | Topcliffe, Yorkshire, England |
| Burial | ||
| Marriage | 1134 | |
| Father | Baron William De Percy | F2684 Group Sheet | |
| Mother | Alice de Ros | F2684 Group Sheet | |
| Female Adeliza de Clare |
| Birth | 1115 | Skelton, Yorkshire, England |
| Death | 1148 | Tonbridge, Kent, England |
| Burial | ||
| Father | ||
| Mother | ||
| Male Alan De Percy |
| Birth | 1128 | Alnwick, Northumberland, England |
| Death | 1166 | Whitby, Yorkshire, England |
| Burial |
| Female Agnes de PERCY |
| Birth | 1136 | Topcliffe, Yorkshire, England |
| Death | Oct 1204 | Topcliffe, Yorkshire, England |
| Burial |
| Female Emma Percy |
| Birth | 1146 | Alnwick, Northumb, England |
| Death | Kirmond Le Mire, Lincolnshire, England |
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| Burial |