| 1. John Trevithick |
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| B: |
Abt 1819 |
| P: |
Camborne, Cornwall, UK |
| D: |
Bef 15 May 1819 |
| P: |
Illogan, Cornwall, UK |
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| 2. Richard Trevithick |
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| B: |
Abt 1783 |
| P: |
Illogan, Cornwall, UK |
| M: |
20 Apr 1811 |
| P: |
Illogan, Cornwall, UK |
| D: |
2 Feb 1845 |
| P: |
Parr, Cornwall, UK |
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| 4. John Trevithick |
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| B: |
Bef 4 Mar 1732 |
| P: |
Illogan, Cornwall, UK |
| M: |
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| P: |
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| D: |
1796 |
| P: |
, , Cornwall, UK |
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| 8. |
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Abt 1819 - Bef 1819 (< 0 years)