Indiana Code Title 23. Business and Other Associations § 23-14-41-4

(1) one (1) grave, crypt, or niche may be used for the record owner's interment, entombment, or inurnment;

(2) after the record owner's interment, entombment, or inurnment, one (1) grave, crypt, or niche may be used for the surviving spouse of the record owner;  and

(3) in the spaces remaining, if any, the parents and children of the deceased record owner, in order of need, may be interred, entombed, or inurned without the consent of any person claiming an interest in the family burial plot.

(1) the heirs at law of the deceased record owner, or the spouse of the heir if the heir is already interred, entombed, or inurned, as specified by the statutes of descent;  or

(2) the spouse of any heir at law of the deceased record owner.