| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Edward I, king of England (d.1307) | Edwardus | Edward, king of England, lord of Ireland and duke of Aquitaine | 1274 × 1312 |
| Addressee | Burgh of Dumbarton | tenentibus [...] de castro de villa et de vicecomitatu de Dunbretan | tenants of the castle, villa and sheriffdom of Dumbarton | 1248 × 1304 |
| Appointee | John of Menteith (I), knight | Johanni de Meneteth | our sworn-man, John of Menteith | 1286 × 1327 |