This Frank L. Horton married my great grandmother Umatilla Louise Lansdale of Colfax, Whitman County, Washington 24 October 1886. They were married in the home of Umatilla's parents, Robert K. Lansdale and Nancy Helen (Callison) Lansdale in Colfax, Whitman County, Washington. He died a few years later in a accident when he fell from a bridge. His father was William T. Horton of Colfax. William T. Horton was born in Kentucky around 1830. His mother is unknown. Any information about this Horton would be greatly appreciated. fhartkopf1946@aol.com.