John was born about 1733 in Pennsylvania, the son of Thomas Gregg and Dinah Harlan.
He died about 1804. The place is not known.
His wife was Martha. They were married, but the date and place have not been found. Their only known child was Caleb (c1770-c1812).
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| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1733 |
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| Death | ABT 1804 |
Note 1
!Source: Douglas Gregg