Tex. Est. Code § 257.053
In addition to the requirements for an application under Section 257.051, if an applicant for the probate of a will as a muniment of title cannot produce the will in court, the application must state:
(3) the name and address, if known, whether the person is an adult or minor, and the relationship to the testator, if any, of:
Added by Acts 2009, 81st Leg., R.S., Ch. 680 (H.B. 2502), Sec. 1, eff. January 1, 2014.
Acts 2013, 83rd Leg., R.S., Ch. 1136 (H.B. 2912), Sec. 33, eff. January 1, 2014.
Acts 2015, 84th Leg., R.S., Ch. 949 (S.B. 995), Sec. 26, eff. September 1, 2015.