The circuit court shall have jurisdiction over: 
(1) The administration, settlement, and distribution of estates of decedents; 
(2) The probate of wills; 
(3) The persons and estates of minors; 
(4) Persons of unsound mind and their estates; 
(5) The determination of heirship or of adoption; 
(6) The restoration of lost wills and the construction of wills when incident to the administration of an estate; and 
(7) All such other matters as are provided by law.
Structure Arkansas Code
Title 28 - Wills, Estates, and Fiduciary Relationships
Subtitle 1 - General Provisions
Chapter 1 - General Provisions
§ 28-1-104. Probate proceedings
§ 28-1-106. Referees and probate clerks
§ 28-1-109. Petition — Verification
§ 28-1-110. Filing objections to petition
§ 28-1-111. Guardians and attorneys ad litem
§ 28-1-112. Notice — Service — Proof — Costs
§ 28-1-115. Vacation and modification of orders
§ 28-1-117. Use of certified mail permitted