| 1. John Lamerton |
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| B: |
Bef 2 Dec 1821 |
| P: |
St. Austell, Cornwall, UK |
| D: |
10 May 1895 |
| P: |
St. Austell, Cornwall, UK |
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| 2. Edward Lamarton |
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| B: |
Abt 1799 |
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| M: |
6 Oct 1821 |
| P: |
St. Blazey, Cornwall, UK |
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| 6. Thomas Trevithick |
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| B: |
Bef 6 Oct 1771 |
| P: |
St. Blazey, Cornwall, UK |
| M: |
8 Feb 1794 |
| P: |
St. Blazey, Cornwall, UK |
| D: |
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| 12. Nicholas Trevithick |
=> |
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| B: |
Bef 5 Nov 1722 |
| P: |
Tywardreath, Cornwall, UK |
| M: |
7 Dec 1755 |
| P: |
St. Blazey, Cornwall, UK |
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| 7. Elizabeth Mary Coom |
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| B: |
Bef 30 Jan 1773 |
| P: |
, St. Blazey, Cornwall, UK |
| D: |
Bef 13 Feb 1837 |
| P: |
Town, St. Blazey, Cornwall, UK |
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| 14. Walter Coom |
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| B: |
Abt 1746 |
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| M: |
6 Feb 1768 |
| P: |
St. Blazey, Cornwall, UK |
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Bef 1821 - 1895 (> 73 years)