Timeline 
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1764--
1768--
 | Birth -- October 20, 1723 |
| Birth -- February 20, 1725 |
| Birth -- January 5, 1728 |
| Birth -- January 5, 1729 |
| Birth -- October 24, 1731 Breage, Cornwall, England |
| Birth -- September 8, 1734 |
| Marriage -- October 4, 1763 Husband's age 31 Wife's age 29 Breage, Cornwall Hannah Hockin |
| Marriage -- 1763 Age John Polkinhorn |
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