Utah Code § 78B-3-105: Definition of heirs.

As used in Sections 78B-3-106 and 78B-3-107, "heirs" means the following surviving persons:

(1) the decedent's spouse;

(2) the decedent's children as provided in Section 75-2-114;

(3)

(a) the decedent's natural parents; or

(b) if the decedent was adopted, the decedent's adoptive parents;

(4) the decedent's stepchildren who:

(a) are younger than 18 years old at the time of decedent's death; and

(b)

(i) received financial support from the decedent at the time of decedent's death; or

(ii) resided with the decedent on at least a part-time basis at the time of the decedent's death; or

(5) any blood relative as provided by the law of intestate succession if the decedent is not survived by a person under Subsection (1), (2), or (3).