Texas Civil Practice and Remedies Code - CIV PRAC & REM § 17.005. Suit Against Unknown Landowner

(A) takes or holds the beneficial interest under a conveyance, lease, or written contract that conveyed an interest in the land to a trustee without disclosing the name of the owner of the beneficial interest;  or

(B) takes or holds the interest of a dissolved association, joint-stock company, partnership, or other organization under an instrument that did not disclose his name, and the organization had acquired the interest under a conveyance, lease, or written contract that conveyed the interest to the organization in its name without disclosing the names of the members, shareholders, partners, or other persons owning an interest in the organization.