Complex sentence: Frederic Anton Eilers was born in Laufenselden, Nassau, Germany, Jan 14,1839, to Ernest Julius Adolph Friederich and Elizabeth Dielmann Eilers.
Split into simpler sentences: Frederic Anton Eilers was born in Laufenselden, Nassau, Germany, Jan 14,1839. He grew up the son of Ernest Julius Adolph Friederich and Elizabeth Dielmann Eilers.