MaleAlan DE PERCY, 2nd Feudal Baron of Topcliffe |
| Birth | 1069 | Alnwick Castle, Alnwick, Northumberland, England |
| Death | 1135 | Whitby Abbey, Yorkshire, England |
| Burial | Westerdale, Yorkshire, England |
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| Marriage | ||
| Father | William DE PERCY, 1st Feudal Baron of Topcliffe | F5608 Group Sheet | |
| Mother | Emma DE PORTE | F5608 Group Sheet | |
Male+ William DE PERCY, II, 3rd Feudal Baron of Topcliffe |
| Birth | ||
| Death | Abt 1174 | |
| Burial | ||
| Spouse | F5606 | |
| Marriage | ||