Complex sentence: The owner of a million-dollar gold pharaoh's head claims it was aboard a freighter that sunk off Whalebone Island but there are suspicions that he is trying to defraud the shipping line's insurance company.
Split into simpler sentences: The owner of a million-dollar gold pharaoh's head claims that it was aboard a freighter that sank off Whalebone Island. However, there are suspicions that he is trying to defraud the shipping line's insurance company.