Act of Llywelyn ap Gruffudd (d. 1282), stating that Einion ap Maredudd of Dyffryn Clwyd and his heirs will hold their land free and exempt from secular service except for service in the royal army. The transaction is said to have taken place in Llannerch on 27 September 1243.
Dunsæte is an anonymous legal document which calls itself an agreement (gerædnes) between English witan and Welsh people (Wealhðeode).