Well, unless that family is the royal family of a nation. Sovereign immunity, the right of nations not to be sued, is actually based upon the Monarch's right no

Well, unless that family is the royal family of a nation. Sovereign immunity, the right of nations not to be sued, is actually based upon the Monarch's right not be sued. In reality, the judgements of United States' courts could actually be enforced against the Saudis, by seizing their assets abroad. Any judgement by a Saudi court against the United States government is likely to be entirely unenforceable.