Texas Family Code - FAM § 155.004. Loss of Continuing, Exclusive Jurisdiction

(1) an order of adoption is rendered by another court in an original suit filed as described by Section 103.001(b);

(2) the parents of the child have remarried each other after the dissolution of a previous marriage between them and file a suit for the dissolution of their subsequent marriage combined with a suit affecting the parent-child relationship as if there had not been a prior court with continuing, exclusive jurisdiction over the child;  or

(3) another court assumed jurisdiction over a suit and rendered a final order based on incorrect information received from the vital statistics unit that there was no court of continuing, exclusive jurisdiction.