A petition for the appointment of a guardian ad litem shall state the name and address of the person proposed, and the person's relationship, if any, to the subject matter of the action or to any of the parties thereto. It shall contain also an averment that to the best of petitioner's information and belief the incapacitated person has no guardian, or that the guardian cannot be served with process in this Commonwealth.
231 Pa. Code r. 2059