| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Alexander IV, pope (d.1261) | Alexander | Alexander, bishop etc. | 1255 × 1261 |
| Addressee | Rostand, master, papal subdeacon and chaplain | Rostanno | Master Rostand, our chaplain and nuncio in England | 1255 × 1256 |
| named person (transaction) | Henry III, king of England (d.1272) | illustri Regi Anglise | illustrious king of England | 1220 × 1272 |