Notice shall be given to the following persons: The surviving spouse, children, and other heirs of the decedent, the devisees and executors named in any will that is being, or has been, probated, or offered for informal or formal probate in the county, or that is known by the petitioner to have been probated, or offered for informal or formal probate elsewhere, and any personal representative of the decedent whose appointment has not been terminated. Notice may be given to other persons. In addition, the clerk shall publish notice to all unknown persons and to all known persons whose addresses are unknown who have any interest in the matters being litigated in accordance with section 30-2220(a)(2). The party instituting or maintaining the proceeding or his or her attorney is required to mail the published notice and give proof thereof in accordance with section 25-520.01.
Neb. Rev. Stat. §§ 30-2427