Sec. 573.022.  DETERMINATION OF CONSANGUINITY.  (a)  Two individuals are related to each other by consanguinity if:
(1)  one is a descendant of the other;  or
(2)  they share a common ancestor.
(b)  An adopted child is considered to be a child of the adoptive parent for this purpose.
Added by Acts 1993, 73rd Leg., ch. 268, Sec. 1, eff. Sept. 1, 1993.