Tex. Estates Code § 256.052

(a) An application for the probate of a will must state and aver the following to the extent each is known to the applicant or can, with reasonable diligence, be ascertained by the applicant:

(1) each applicant's name and domicile;

(1-a) the last three numbers of each applicant's driver's license number and social security number, if the applicant has been issued one;

(2) the testator's name, domicile, and, if known, age, on the date of the testator's death;

(2-a) the last three numbers of the testator's driver's license number and social security number;

(3) the fact, date, and place of the testator's death;

(4) facts showing that the court with which the application is filed has venue;

(5) that the testator owned property, including a statement generally describing the property and the property's probable value;

(6) the date of the will;

(7) the name, state of residence, and physical address where service can be had of the executor named in the will or other person to whom the applicant desires that letters be issued;

(8) the name of each subscribing witness to the will, if any;

(9) whether one or more children born to or adopted by the testator after the testator executed the will survived the testator and, if so, the name of each of those children;

(10) whether a marriage of the testator was ever dissolved after the will was made and, if so, when and from whom;

(11) whether the state, a governmental agency of the state, or a charitable organization is named in the will as a devisee; and

(12) that the executor named in the will, the applicant, or another person to whom the applicant desires that letters be issued is not disqualified by law from accepting the letters.

(b) If an applicant does not state or aver any matter required by Subsection (a) in the application, the application must state the reason the matter is not stated and averred.