| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Edward I, king of England (d.1307) | The king | 1274 × 1312 | |
| Addressee | Unknown, keeper of spiritualities of Caithness | keeper of the spirituality | 1297 × 1297 | |
| Beneficiary | Fearchar Belegaumbe, bishop of Caithness (1304-27) | Ferchard Belajaumbe | 1296 × 1312 |