Complex sentence: In the Old Testament Book of Jonah, Jonah told his shipmates to throw him overboard, explaining that God's wrath would pass if Jonah were sacrificed, and that the sea would become calm.
Split into simpler sentences: In the Old Testament Book of Jonah, Jonah told his shipmates to sacrifice him by throwing him overboard. Jonah explained that due to his own death, God's wrath would pass and that the sea would become calm.