| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Party 1 | Arbroath Abbey (fd.1178) | Abbatem et conuentum de Abirbrothoc' | 1180 × 1369 | |
| Party 2 | Margery, countess of Buchan (d.c.1244) | M | M[arjory], countess of Buchan, then in her widowhood | 1222 × 1236 |