If this is the same John and Rebecca as in the 1880 census (John age 53, Rebecca age 43, children Jesse 19, William R. 17, John D. 15, Albert 13, Scott 11, and Charles W. 3), then, according to the Owsley County 1880 Annotated Census by Margaret Millar Hayes, Rebecca is the daughter of Frederick Nantz and his first wife Sarah Chappel. Karen