| Relationship | Method(s) |
|---|---|
| Leadend/halflead variant | Calverleigh Alliance Minor, Headcorn Alliance Minor, Hever Alliance Minor |
| EP3-1AB/1DE | [Unnamed] Alliance Major, Royal, Maximus, Fourteen, Sixteen, Eighteen, Twenty, Twenty-Two, Twenty-Four |
| EP3-1EF/4FG | [Unnamed] Alliance Major, Royal, Maximus, Fourteen, Sixteen, Eighteen, Twenty, Twenty-Two, Twenty-Four |
| EP3-3BC/1BC | [Unnamed] Alliance Major, Fourteen, Twenty |
| EP3-3BC/1DE | [Unnamed] Alliance Maximus, Eighteen, Twenty-Four |
| EP4-2/5:4:4 | [Unnamed] Alliance Major, Royal, Maximus, Fourteen, Sixteen, Eighteen, Twenty, Twenty-Two, Twenty-Four |