(a) A devise of property in a will is void if the devise is made to:
(1) an attorney who prepares or supervises the preparation of the will;
(2) a parent, descendant of a parent, or employee of the attorney described by Subdivision (1); or
(3) the spouse of a person described by Subdivision (1) or (2).
(b) This section does not apply to:
(1) a devise made to a person who:
(A) is the testator's spouse;
(B) is an ascendant or descendant of the testator; or
(C) is related within the third degree by consanguinity or affinity to the testator; or
(2) a bona fide purchaser for value from a devisee in a will.
Official text of the Texas Estates Code as published by the Texas Legislative Council.