John J. Grant was born June 27, 1799 in New Jersey. He married Deborah Lewis January 6, 1827 in New Jersey. They had 11 children: Ezekiel, Elizabeth, Hannah, John Wesley, Ann, Alfred, Mary L., Deborah, Margaret, Daniel V., and Ella. John J. Grant died on November 7, 1867 in Bayville, New Jersey, and his wife, Deborah, died July 20, 1895. They lived their lives in Dover Township in New Jersey.