Missouri Revised Statutes Title XXXVI. Statutory Actions and Torts § 528.050. Petition shall set forth what facts

The petition shall particularly describe the premises sought to be divided or sold, and shall set forth the names, rights and title of all parties interested therein, so far as the same can be stated, including persons entitled to the reversion, remainder or inheritance, and of every person who, upon any contingency, may be or become entitled to any beneficial interest in the premises.