Texas Family Code - FAM § 6.109. Concealed Divorce

(1) the other party was divorced from a third party within the 30-day period preceding the date of the marriage ceremony;

(2) at the time of the marriage ceremony the petitioner did not know, and a reasonably prudent person would not have known, of the divorce; and

(3) since the petitioner discovered or a reasonably prudent person would have discovered the fact of the divorce, the petitioner has not voluntarily cohabited with the other party.