Complex sentence: He married Maria Nicolasa Urioste (April 19,1802--February 4,1892), and they had two children, Antonia Margarita Workman and Joseph Manuel Workman.
Split into simpler sentences: He married Maria Nicolasa Urioste (April 19,1802--February 4,1892). He and Nicolasa had two children, Antonia Margarita Workman and Joseph Manuel Workman.