452

The interest of all persons in the property, whether such persons are known or unknown, shall be set forth in the complaint, specifically and particularly, as far as known to the plaintiff. If one or more of the parties, or the share or quantity of interest of any of the parties, is unknown to the plaintiff, or are uncertain or contingent, or the ownership of the inheritance depends upon an executory devise, or the remainder is a contingent remainder, so that such parties cannot be named, that fact shall be set forth in the complaint.