Jeremiah Armstrong & martha Hartshorn Both of Norwich were married together on ye 20th Day of November Anno Domini 1750:
Calven ye son of Jeremiah Armstrong & Martha his wife was born April 3'd 1750:
[Note: clearly there is a discrepancy here. Since the next child is born 1753, barring additional evidence, the typical two year span suggests Calvin was born 1751 and the marriage date is correct.]