| Relationship | Method(s) |
|---|---|
| Leadend/halflead variant | Harmondsworth Alliance Minor, Yaxley Alliance Minor |
| EP3-1EF/5FG | [Unnamed] Alliance Royal, Fourteen, Fourteen, Eighteen, Eighteen, Twenty-Two |
| EP4-2/5:4:5 | [Unnamed] Alliance Royal, Fourteen, Fourteen, Eighteen, Eighteen, Twenty-Two, Twenty-Two |
| EP4-2/7:2:5 | [Unnamed] Alliance Major, Major, Royal, Royal, Maximus, Maximus, Fourteen, Fourteen, Sixteen, Sixteen, Eighteen, Eighteen, Twenty, Twenty, Twenty-Two, Twenty-Two, Twenty-Four, Twenty-Four |