MaleJohn W Williamson |
| Birth | 10 Jan 1662 | Edinburgh, Midlothian, Scotland |
| Death | 1 Jun 1757 | Cumberland, Pennsylvania, British Colonial America |
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FemaleMary Davidson |
| Birth | 29 Mar 1665 | Brechin, Forfarshire, Scotland |
| Christening | 29 Mar 1665 | Brechin, Forfarshire, Scotland |
| Death | Abt 1688 | Pennsylvania, British Colonial America |
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MaleJohn Samuel Williamson |
| Birth | Abt 1688 | Glenrothes, Fife, Scotland |
| Death | 7 Mar 1771 | Newville, Cumberland, Pennsylvania, British Colonial America |
| Burial | 1771 | Big Spring Presbyterian Church Cemetery, Newville, Cumberland, Pennsylvania, United States |
| Spouse | Mary E. Ikerd | F30405 | |
| Marriage | Abt 1720 | |
| Spouse | Mary Ann Irwin | F30417 | |
| Marriage | 1744 | Pequea, Lancaster, Colony of Pennsylvania, British Colonial America |