Complex sentence: His legendary persona is born when rival Hungarian smugglers invade his house while he is away, rape his wife, and hold his children hostage; when Söze arrives, they kill one of his children and demand he surrender his business.
Split into simpler sentences: His legendary persona is born when rival Hungarian gangsters invade his house while he is away, rape his wife, and hold his children hostage. When Söze arrives, the gangsters kill one of his children and demand he surrender his business.