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Male John Griswold Click to view John Griswold in the family tree

John was born on June 29th, 1758.1   John's father was Jeremiah Griswold and his mother was Hannah Gibbs.  His paternal grandparents were John Griswold and Mabel Boardman; his maternal grandparents were Benjamin Gibbs and Abigail Marshall. He had two brothers and three sisters, named Seth, Asahel, Hannah, Sarah and Mabel.1 

1 phelps.FTW @ Tree #1353
Further sources/citations:
World Family Tree Vol. 4, Ed. 1 @ Tree #1353, 1353.ftw