Complex sentence: Hilary Masters (February 3,1928 in Kansas City, Missouri--June 14,2015 in Pittsburgh, Pennsylvania) was an American novelist, the son of poet Edgar Lee Masters, and Ellen Frances Coyne Masters.
Split into simpler sentences: Hilary Masters (February 3,1928--June 14,2015) was an American writer. He was born in Kansas City, Missouri, the son of poet Edgar Lee Masters, and Ellen Frances Coyne Masters.