| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| Party 1 | Arbroath Abbey (fd.1178) | Abbatem et conuentum de Abirbrothoc | abbot and convent of Arbroath | 1180 × 1369 |
| Party 2 | Margery, countess of Buchan (d.c.1244) | M | Marjory, countess of Buchan | 1222 × 1236 |