 He married Sarah Brashear (1832-1878), one of the daughters of Thomas Cook Brashear (1805-1851) of New Market, Maryland, but the couple had no children.Three years before his wife's death, Jones fathered a child with freed slave Malinda Rice, who had begun working in their household at age 16.Jones would eventually acknowledge Marie Magdalene Rice as his granddaughter, as described by her daughter (his granddaughter) Carrie Allen McCray.