An executor, administrator, or guardian or other person claiming an interest by deed of conveyance or otherwise may maintain, as plaintiff, and may appear and defend in the action herein provided for.
Mont. Code Ann. § 70-28-204, under Property Granted to Heirs of Deceased Entryman -- Quiet Title.
Mont. Code Ann. § 70-28-204
An executor, administrator, or guardian or other person claiming an interest by deed of conveyance or otherwise may maintain, as plaintiff, and may appear and defend in the action herein provided for.