Tex. R. Civ. P. 112
In suits authorized by Section 17.005, Civil Practice and Remedies Code, all persons claiming under such conveyance whose names are known to plaintiff shall be made parties by name and cited to appear, in the manner now provided by law as in other suits; all other persons claiming any interest in such land under such conveyance may be made parties to the suit and cited by publication under the designation "all persons claiming any title or interest in land under deed heretofore given to _________________ of _________________ as grantee" (inserting in the blanks the name and residence of grantee as given in such conveyance). It shall be permissible to join in one suit all persons claiming under two or more conveyances affecting title to the same tract of land.
Tex. R. Civ. P. 112