| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Innocent IV, pope (d.1254) | Innocentius | Innocent, bishop, etc. | 1226 × 1254 |
| Addressee | Robert de Keldeleth, abbot of Melrose (d.1273) | Abbati de Dunfermelino | abbot of Dunfermline | 1244 × 1253 |