Complex sentence: Olcott was born in 1832 in Orange, New Jersey, the oldest of the six children of Presbyterian businessman Henry Wyckoff Olcott and Emily Steel Olcott.
Split into simpler sentences: Olcott was born in 1832 in Orange, New Jersey. Henry was the eldest son of six children born to a Presbyterian businessman Henry Wyckoff Olcott and his wife Emily Steel Olcott.