Complex sentence: He was the son of Camillo Federici, an even more prolific playwright, who affected by ill-health in his later years, dictated many of his plays to his wife and children, including Carlo.
Split into simpler sentences: He was the son of Camillo Federici, an even more prolific playwright. Affected by ill-health in his later years, Camillo dictated many of his plays to his wife and children, including Carlo.