Ralf ftiz Orm de Derlaveston
M, b. circa 1125
| Father | Ormus de Derlaveston b. c 1099, d. bt 1155 - 1175 |
| Mother | Miss de (?) Stafford b. c 1103 |
Ralf ftiz Orm de was born circa 1125 in Derlaveston, Staffordshire, England.
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| Child |
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| Father | Ormus de Derlaveston b. c 1099, d. bt 1155 - 1175 |
| Mother | Miss de (?) Stafford b. c 1103 |
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