| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Edward I, king of England (d.1307) | 1274 × 1312 | ||
| Addressee | Thomas of Dalton/Kirkcudbright, bishop of Whithorn (1294-1326) | episcopo Candidae Casae | bishop of Candida Casa | 1294 × 1314 |