Complex sentence: He was born at Montrose, Pa., son of the jurist William Jessup (1797-1868), and enrolled at Cortland Academy in Homer, NY, for one year before attending Yale University.
Split into simpler sentences: He was born at Montrose, Pennsylvania, son of the jurist William Jessup (1797-1868). He enrolled at Cortland Academy in Homer, New York for one year before attending Yale University.