Complex sentence: Benson was the youngest son of Edward White Benson (Archbishop of Canterbury) and his wife, Mary, and the younger brother of Edward Frederic Benson and A. C. Benson.
Split into simpler sentences: Benson was the youngest son of Edward White Benson (Archbishop of Canterbury) and his wife, Mary. He was the younger brother of Edward Frederic Benson and A. C. Benson.