Complex sentence: Giamatti, the youngest of three children, was born in New Haven, Connecticut, the son of Angelo Bartlett Giamatti, a Yale University professor who later became president of the university and commissioner of Major League Baseball.
Split into simpler sentences: Giamatti, the youngest of three children, was born in New Haven, Connecticut. His father, Angelo Bartlett Giamatti, was a Yale University professor who later became president of the university and commissioner of Major League Baseball.