| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Addressor | Innocent III, pope (d.1216) | Innocentius | Innocent, bishop, servant of servants of God | 1198 × 1216 |
| Addressee | Bjarni Kolbeinsson, bishop of Orkney | Orchadiensi [episcopis] | bishop of Orkney | 1198 × 1202 |
| Addressee | Reginald, bishop of Ross (d.1213) | Rosmarchenensi [episcopis] | bishop of Ross | 1195 × 1202 |
| named person (transaction) | John, bishop of Caithness (fl.1185×89-1202) | J | J[ohn], instituted bishop in the same church | 1189 × 1196 |