Complex sentence: He was survived by his wife, Aurora Dominguez, and sons Bishop Cesar Maria Guerrero and Alfredo Guerrero, a physician, whose wife, Filomena Franciso was his pupil and the first lady pharmacist of the Philippines.
Split into simpler sentences: He was survived by his wife, Aurora Domínguez, and sons Cesar María Guerrero and Alfredo Guerrero, a physician. León's daughter-in-law, and Alfredo's wife, Filomena Franciso, was his pupil and became the first female pharmacist of the Philippines.