Elizabeth "Betty" E. Williams was born 21 November 1853 in Polk County, Missouri, the daughter of Thomas Williams and Mary Jane Stewart. Her father died when she was only a few months old and her mother married Nathaniel Hazzard Lacey in 1855. Mr. Lacey was a widower with three children. Betty Williams married Robert Preston Kepley in Polk County, Missouri in 1882. To this union were born two children:
The Kepley family lived in Missouri, Texas and Indian Territory before moving to Roger Mills County where they filed for homestead in January 1899 in Section 29, Twp 14 North, Range 21 WIM. This is where they were living in 1908 when Betty died.