Del. Code tit. 12 § 3501
When any person or persons or any of such persons as may be the donee or donees of any power or powers under any trust are out of the jurisdiction of or not amenable to the process of the Court of Chancery or are mentally ill or it is uncertain whether such person or persons or any of such persons are living or dead, the Court of Chancery may, when in its discretion it may deem the objects and purposes of any such trust are in danger of not being performed or effectuated, appoint a person or persons to execute the power or powers under any such trust and such execution shall be made, by such person or persons so appointed, in the same manner and by the same method as shall be pointed out by the trust, whereby such power or powers were created. Such execution of any such power or powers by any person or persons so appointed shall be as effectual, to all intents and purposes, and with the same force and effect as if the same had been executed by such donee or donees. The Court of Chancery shall be satisfied that the beneficial interests of the donees or other beneficiaries under such trust are not by such action impaired.
12 Del. C. § 3501