| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Alexander III, king of Scots (d.1286) | dominus Rex | lord king | 1245 × 1285 |
| Addressee | Alexander Comyn, earl of Buchan (d.1289) | Alexandro Cumyn | Sir Alexander Cumin, earl of Buchan, justiciar of Scotia | 1237 × 1289 |