SDCL § 21-36-9: Summons filed--Persons to whom directed--Contents.

With the complaint shall be filed a summons, entitled in the action, directed to the defendants named and to all persons generally who have or claim to have any interest in said estate, or claims against the same, as heirs, creditors, or otherwise, requiring them to appear and answer the said complaint within thirty days after the service of the summons, exclusive of the day of service, and to set forth the nature of their claims.