| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Edward I, king of England (d.1307) | regis | The king | 1274 × 1312 |
| Addressee | Unknown, lieutenant in Berwick | tenenti locum domini Johannis de Segrave in villa Berewici praedicta | lieutenant of Sir John de Seagrave, in Berwick | 1303 × 1303 |
| Addressee | Richard of Bromsgrove | Ricardo de Bremmesgrave | Richard of Bromsgrove | 1303 × 1303 |
| Addressee | Unknown, mayor of Berwick | majori ejusdem villae | major of the villa | 1239 × 1314 |