34-6-2-44.8 “Family or household member”
Sec. 44.8. (a) An individual is a “family or household member” of another person if the individual:
(1) is a current or former spouse of the other person;
(2) is dating or has dated the other person;
(3) is engaged or was engaged in a sexual relationship with the other person;
(4) is related by blood or adoption to the other person;
(5) is or was related by marriage to the other person;
(6) has or previously had an established legal relationship:
(A) as a guardian of the other person;
(B) as a ward of the other person;
(C) as a custodian of the other person;
(D) as a foster parent of the other person; or
(E) in a capacity with respect to the other person similar to those listed in clauses (A) through (D); or
(7) has a child in common with the other person; or
(8) has adopted a child of the other person.
(b) An individual is a “family or household member” of both persons to whom subsection (a)(1), (a)(2), (a)(3), (a)(4), (a)(5), (a)(6), (a)(7), or (a)(8) applies if the individual is a minor child of one (1) of the persons.