| Northwest Europe | Level 2 (Parent) |
|          Ireland | Level 3 (Sibling) |
|          Great Britain | Level 3 |
|                  Scotland Islands | Level 4 (Child) |
|                  Northwest Highlands | Level 4 (Child) |
|                  Grampian Mountains | Level 4 (Child) |
|                  Southern Scotland-Isle of Man | Level 4 (Child) |
|                  Wales and Welsh Border | Level 4 (Child) |
|                  England Hills | Level 4 (Child) |
|          North France-West Rhine Area | Level 3 (Sibling) |
|          German Highlands | Level 3 (Sibling) |
|          Massif Central | Level 3 (Sibling) |