Texas Family Code - FAM § 6.305. Acquiring Jurisdiction Over Nonresident Respondent

(a) If the petitioner in a suit for dissolution of a marriage is a resident or a domiciliary of this state at the time the suit for dissolution is filed, the court may exercise personal jurisdiction over the respondent or over the respondent's personal representative although the respondent is not a resident of this state if:

(b) A court acquiring jurisdiction under this section also acquires jurisdiction over the respondent in a suit affecting the parent-child relationship.