| Code | DS/UK/1351 |
| Dates | 1829 - 1866 |
| Person Name | Jeffcock; Parkin (1829 - 1866) |
| Surname | Jeffcock |
| Forenames | Parkin |
| Activity | Mining engineer |
| Relationships | Second child and elder son of John and Catherine Jeffcock; brother of John Thomas |
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