| Relationship | Method(s) |
|---|---|
| Leadend/halflead variant | Badbury Minimus, Bastow Little Bob Minimus, Llanarthne Little Bob Minimus |
| Rotation | Llanarthne Little Bob Minimus |
| Reverse | Bastow Little Bob Minimus |
| EP4-2/1:2:3 | [Unnamed] Little Bob Minor, Major, Royal, Maximus, Fourteen, Sixteen, Eighteen, Twenty, Twenty-Two, Twenty-Four |