Complex sentence: His great-grandfather, Frank Old-Bear, performed with the Miller 101 Ranch Wild West Show and his uncle, Raymond Williams, was an amateur artist who could look at something once and then reproduce it but never turned his talent into a career.
Split into simpler sentences: His great-grandfather, Frank Old Bear, performed with the Miller 101 Ranch Wild West Show. His uncle, Raymond Williams, was an amateur artist who could look at something once and then reproduce it but never turned his talent into a career.