What is the legal test for establishing that a person must be legitimate to inherit a interest in land upon intestacy?

Whether a person must be legitimate in order to inherit an interest in land upon intestacy is determined by the law of the situs.... Whether a person is legitimate is determined by the law of the state with the most significant relationship with that person.... This is usually the state where the child or parent was domiciled at the time of the act creating the status of legitimacy.

Wickware v. Session, 538 S.W.2d at 470 (citing Texas cases and the Restatement (Second) of Conflicts of Laws). ²