Tennessee Code Title 29. Remedies and Special Proceedings § 29-27-110

In case any one (1) or more of such parties, or the share or quantity of interest of any of the parties, be unknown to the petitioner, or be uncertain or contingent, or the ownership of the inheritance shall depend upon an executory devise, or the remainder shall be a contingent remainder, so that such parties cannot be named, the facts shall be set forth in such petition.