Complex sentence: Henry Otis Dwight, LL.D. (1843--1917), was an American Congregational missionary, born in Constantinople, Turkey, the son of Harrison Gray Otis Dwight.
Split into simpler sentences: Henry Otis Dwight, LL.D. (1843--1917), was an American Congregational missionary. He was born in Constantinople, Turkey, the son of Harrison Gray Otis Dwight.