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Male Isaac Wightman Click to view Isaac Wightman in the family tree

Isaac was born on August 12th, 1715 in Groton, New London, Connecticut.1   Isaac's father was Valentine Wightman and his mother was Susannah Holmes.  His paternal grandparents were George Wightman and Elizabeth Updyke; his maternal grandparents were John Holmes and Mary Sayles. He had seven brothers and three sisters, named Daniel, Valentine, Abraham, Jacob, Timothy, John, John, Mary, Susannah and Sarah.  He was the sixth oldest of the eleven children.1 

1 phelps.FTW
Further source/citation:
World Family Tree Vol. 1, Ed. 1 @ Tree #0988