Tex. Penal Code Section 20.03
Kidnapping

(a)

A person commits an offense if he intentionally or knowingly abducts another person.

(b)

It is an affirmative defense to prosecution under this section that:

(1)

the abduction was not coupled with intent to use or to threaten to use deadly force;

(2)

the actor was a relative of the person abducted; and

(3)

the actor’s sole intent was to assume lawful control of the victim.

(c)

An offense under this section is a felony of the third degree.

Acts 1973, 63rd Leg., p. 883, ch. 399, Sec. 1, eff. Jan. 1, 1974. Amended by Acts 1993, 73rd Leg., ch. 900, Sec. 1.01, eff. Sept. 1, 1994.