Thanks all for the answers.
I am really close but not there yet.
I end up with the same as the plan "Member" posted. Thanks for that BTW!
The problem I have is, whenever I remove one of the 2 help walls, The roof goes back to a full width gable.
I want 2 gables next to each other which both support on the same wall in the middle (as this is the situation in the old house I bought
Thanks again for your help!