If the court determines that the named persons are dead and that it has not been established by clear and convincing evidence that one person survived another, the court shall make an order to that effect. If the court determines that the named persons are dead and that there is clear and convincing evidence that one person survived another, the court shall make an order setting forth the order in which the persons died. The order, when it becomes final, is a binding determination of the facts set forth in the order and is conclusive as against the personal representatives of the deceased persons named in the order and against all persons claiming by, through, or under any of the deceased persons.
Ca. Prob. Code § 234