Complex sentence: Weirum's wife and children filed a wrongful-death suit against both teenagers, the manufacturer of Weirum's car and RKO General, and one of the teenagers settled with the before trial for the limits of his insurance policy.
Split into simpler sentences: Weirum's wife and children filed a wrongful death action against both teenagers, the manufacturer of Weirum's car, and RKO General. One of the teenagers settled with the plaintiffs before trial for the limits of his insurance policy.