Delaware Code Title 25. Property § 723. Unknown or uncertain parties in interest;  description in petition;  service by publication

If in any cause in partition it is unknown whether any person shown by the facts set forth in the petition to be interested in the lands and premises, or any of them, of which partition is desired is living or dead, or in any case where the person is dead and it is unknown whether that person left any heirs or any of the heirs are unknown, then the petition may describe such unknown heirs as the heirs of the person who, if living, would be a proper party, and the petition, in cases under this section, shall pray that notice of the substance and object thereof may be given by publication as provided by § 722 of this title and the rules of the Court of Chancery for publication in cases of nonresidents.  Upon such a petition the Court shall order notice to be given to the heirs of such deceased person by publication.