Robert Belcher Cain was born 28 February 1808 in Cumberland County, Kentucky to William and Hannah Stanfield Cain. He married twice. The first to Mary Sophia Lawrence 29 September 1831 in Nashville, Davidson County, Tennesse. They had two sons; Charles & William, then a daughter Mary Phila Ann Cain. Mary Sophia died and Robert married a second time to Telitha Brooks.
Robert and Telitha had 8 children: Robert Eugene, Risley Lawrence, Lycurgus, Granville, Flora, Emily, Rebecca, and John Ridley. Several married and had children, others died before their father did on 25 February 1889 in McMinnville, Warren County, Tennessee. Only Risley lived long enough to have a death certificate and that was on 20 December 1917.