William married Piety Amanda McCuistion after 1835. Piety (daughter of Benjamin F. McCuistion and Sarah Ingram) was born on 12 Jul 1818 in Tennessee; died on 21 Apr 1888 in Caldwell, St. Francis County, Arkansas; was buried in Colt, St. Francis County, Arkansas. [Group Sheet] [Family Chart]

1. John Caldwell was born in 1836 in Tennessee; and died.
2. S. Benjamin Caldwell was born in 1839 in Tennessee; and died.
3. James Lorance Caldwell was born on 23 Mar 1846 in Bedford County, Tennessee; died on 16 Feb 1890 in Caldwell, St. Francis County, Arkansas; was buried in Hughes, St. Francis County, Arkansas.
4. Thomas Benton L. Caldwell was born on 1 Jan 1847 in Bedford County, Tennessee; died in in Caldwell, Arkansas.
5. Sarah Ann Tennessee Caldwell was born in Feb 1850 in Tennessee; died in 1918 in Oklahoma; was buried in Frederick, Tillman County, Oklahoma.