Isaac DuBois was a son of Solomon DuBois. He married Rachel DuBois, his cousin. [1]
According to LeFevre, he settled in Perkiomen, Lancaster County, Pennsylvania.[1]
Isaac and Rachel DuBois had four daughters:[1]
Catharine
Margaret
Rebecca
Elizabeth
Isaac died before 1756, when Isaac's father Solomon DuBois made his will, directing that his land at Perkiomen, Pennsylvania, should go to the four daughters of his son Isaac.[2]
Death: 10 FEB 1728/29, Kingston, Ulster County, New York
https://www.wikitree.com/wiki/DuBois-167