Texas Insurance Code - INS § 1601.004. Definition of Dependent

(1) spouse;

(2) unmarried child younger than 25 years of age;  and

(3) child of any age who lives with or has the child's care provided by the individual on a regular basis if the child is a person with an intellectual disability or is physically incapacitated to the extent that the child is dependent on the individual for care or support, as determined by the system.

(1) “Child” includes:

(2) “Spouse” has the meaning assigned by the Family Code.