Complex sentence: He claimed that he had dropped out of the gangs activities in 1857, and in 1858 he was living with his wife and working at the Rancho Emigido for David W. Alexander.
Split into simpler sentences: He claimed that he had dropped out of the gangs activities in 1857. In 1858 he was living with his wife and working at the Rancho Emigido for David W. Alexander.