Maryland Code, Estates and Trusts § 5-104

(1) The personal representatives named in a will admitted to probate;

(2) The personal representatives nominated in accordance with a power conferred in a will admitted to probate;

(3) The surviving spouse, registered domestic partner, and children of an intestate decedent, or the surviving spouse of a testate decedent;

(4) The residuary legatees;

(5) The children of a testate decedent who are entitled to share in the estate;

(6) The grandchildren of the decedent who are entitled to share in the estate;

(7) Subject to §§ 3-111 and 3-112 of this article, the parents of the decedent who are entitled to share in the estate;

(8) The brothers and sisters of the decedent who are entitled to share in the estate;

(9) Other relations of the decedent who apply for administration;

(10) The largest creditor of the decedent who applies for administration;

(11) Any other person having a pecuniary interest in the proper administration of the estate of the decedent who applies for administration; or

(12) Any other person.