(a) The following may serve as custodian of a resident creditor under this section:
(1) a parent of the creditor;
(2) the unestranged spouse of the creditor; or
(3) if there is no spouse and both of the creditor's parents are dead or nonresidents of this state, the person who:
(A) resides in this state; and
(B) has actual custody of the creditor.
(b) An unestranged spouse residing in this state shall be given priority over a creditor's parent to serve as custodian under this subchapter.