Complex sentence: Gill married country singer Janis Oliver of Sweethearts of the Rodeo fame, in 1980, and they had one daughter, Jennifer Jerene Gill, born May 5,1982.
Split into simpler sentences: Gill married country singer Janis Oliver of Sweethearts of the Rodeo fame, in 1980. The couple have one daughter, Jennifer Jerene Gill, born May 5,1982.