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.