Complex sentence: Early in 1748 he was rescued by a sea captain who had been asked by Newton's father to search for him, and returned to England on the merchant ship "Greyhound", which was carrying beeswax and dyer's wood, now referred to as camwood.
Split into simpler sentences: Early in 1748 he was rescued by a sea captain who had been asked by Newton's father to search for him. He sailed back to England in 1748 aboard the merchant ship "Greyhound", which was carrying beeswax and dyer's wood, now referred to as camwood.