Complex sentence: He was the son of Frederick Theodore Frelinghuysen, and was born in Newark, New Jerseyand his brother was George Griswold Frelinghuysen (1851-1936).
Split into simpler sentences: He was the son of Frederick Theodore Frelinghuysen, and was born in Newark, New Jersey. His brother was George Griswold Frelinghuysen (1851-1936).