Furman married Elizabeth Haynsworth in November 1772, and they had four children before her death in 1787: a son who died at birth, Rachel, Wood, and Richard (died in infancy). In May 1789 Furman married Dorothea Burn, and this marriage produced thirteen children: Richard, Samuel, John Gano (died in infancy), Josiah, Charles Manning, Maria Dorothea, Henry Hart, Sarah Susanne, John Gano (2nd), Thomas Fuller, James Clement, Anne Eliza, and William. His son
James Clement Furman (1809–1891), also a Baptist minister, was
Furman University's first president. ==Views on slavery==