| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Otto de Tonengo, papal legate (d.1250/1) | Otto | Otto, Cardinal Deacon of S. Nicola in Carcere Tulliano, Legate of the Apostolic See | 1237 × 1239 |
| Addressee | Bishops of Scotland | Venerabilis in Christo patribus dei gracia Episcopis per regnum Scocie constitutis | To the Venerable Fathers in Christ, by the Grace of God, bishops appointed throughout the kingdom of Scotland | 1119 × 1368 |
| Beneficiary | Kelso Abbey | Monasterium de Kalchou | Monastery of Kelso | 1131 × 1311 |
| in the time of (tempore) | Gregory IX, pope (d.1241) | Gregorii | Pope Gregory IX | 1227 × 1241 |