Complex sentence: The father of Douglas Fairbanks (born Douglas Elton Ullman) was Hezekiah Charles Douglas Ulman (1833-1915), who was born in Berrysburg, Pa., the fourth child in a relatively well-to-do Jewish family of six sons and four daughters.
Split into simpler sentences: The father of Douglas Fairbanks, Hezekiah Charles Ullman (1833-1915), was born in Berrysburg, Pa. He was the fourth child in a relatively well-to-do Jewish family of six sons and four daughters.