| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Gregory IX, pope (d.1241) | Pope Gregory IX | 1227 × 1241 | |
| Addressee | William of Bondington, bishop of Glasgow (d.1258) | bishop of Glasgow | 1231 × 1258 | |
| named person (transaction) | Peter, master, chamberlain of Cardinal Ranier | Master Peter, chamberlain of R[aniero], cardinal of St Mary’s in Cosmedin |