| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Urban IV, pope (d.1264) | Urbanus | Urban, bishop, servant of servants of God | 1261 × 1264 |
| Addressee | Archbishops (general) | archiepiscopis | archbishops | 1244 × 1262 |
| Addressee | Bishops (general) | episcopis | bishops | 1244 × 1262 |