| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Gregory IX, pope (d.1241) | Gregorius | Gregory, bishop, servant of servants of God | 1227 × 1241 |
| Addressee | Unknown, bishop of St Andrews (13C/14C) | Episcopo Sancti Andree | bishop of St Andrews | 1238 × 1238 |
| named person (transaction) | P. de Supino, master, papal clerk | P. de Supino | Master P. de Supino, our clerk |