I am searching for information on the descendants of William and Martha Stewart Sparkman. All information appreciated.

Martha Stewart, born in June 1836, married William Sparkman. Martha died before 1910 in Vale, Rowan County, Kentucky. Born on November 16, 1820 in Letcher County, Kentucky, William Sparkman was the son of Uriah Sparkman. He died in 1918 at the age of 98. He is buried in the Dawson Cemetery (no monument). Martha is also buried in the Dawson Cemetery. They had the following children: Humphrey (1861); James (1866); Mary Polly (1868); John Crittenden (1870); Moses (1873); Wesley (1875); Hiram Logan (1879).