| Role | Name | Name (original language) | Name (translation) | Floruits |
|---|---|---|---|---|
| subject (relationship) | Thomas of Haddington, brother of Gregory Melville | 1267 × 1267 | ||
| subject (relationship) | David, brother of Gregory Melville | 1267 × 1267 | ||
| object (relationship) | Gregory Melville (II), son of William | 1214 × 1267 |