Complex sentence: Oliva started dating Gordette (DuBois) in the mid- 60's and the pair were married in Hitchcock, South Dakota in 1968 and settled in Bloomington, Minnesota.
Split into simpler sentences: Oliva started dating Gordette (DuBois) in the mid- 60s. They were married in Hitchcock, South Dakota in 1968 and settled in Bloomington, Minnesota.