Trewin is recorded in this Index as a Scottish barony in the county of Perth. The earliest record identified so far is dated 1542. It also appears in the sources as Trevine and Earn (later name).
The historical record
References identified
Register of the Great Seal
RMS iii, no.2833, p.659: Perth lands incorporated as the free barony of Trewin for William Murray of Tullibardin. . RPS 1605/6/133, item 63 (NRS PA2/16, f.99v), records the 1606 name change to Earn in the parliamentary contents.
Retours and Lyon records
Inquisitionum ad Capellam Domini Regis Retornatarum Abbreviatio, vol. III (1816), county index Perth: baronia, nos. 255, 635.
The references reproduce the wording and qualifications recorded in the index. How the Index is compiled.
Historical references and present ownership are separate questions. Inclusion in this research index does not establish the present holder of a dignity. Spotted an error or a missing reference? Suggest an edit.