Complex sentence: The couple returned to the United States in 1979, moving first to California, then to a two-story house outside Crescent, with an above-ground swimming pool and of land where they kept pigs and chickens.
Split into simpler sentences: The couple returned to the United States in 1979, settling first to California. After their move near Crescent, they bought a two-story house with an above-ground swimming pool and of land, where they kept pigs and chickens.