Custom Product Hierarchy Levels with Duplicates prior to item level

Summary:

I am doing a custom hierarchy for Products with a 4 segment tree. The items will point to a product sub type, then up to a branding, then type and category. Will this aggregate in the Demand Plan cube or is it going to cause problems. I have attached

Content (required):

I have attached a visual example to clarify. Branding will beget the same sub type across the level.

Version (include the version you are using, if applicable):

Cloud Planning (DM & Supply) 21D

Code Snippet (add any code snippets that support your topic, if applicable):