This ancestral lineage for William Horton born Est 1829 and married to Mary E. Holley is partly documented by census, and his ancestors through Rial Horton to Samuel Horton (this family page) are primarily from The Kanawha County Family Tree Project of 7 Oct 2004 (https://freepages.rootsweb.com/~maudenna/genealogy/f2093.htm#f13075).