How about:

--Move the 13'9 wall "up" 1' to change the width of this bedroom from 11' to 10'. Then cut the long closet in it in half, with the right part remaining a closet. Remove the left part of the original closet wall so that you now have about a 6'6 wide alcove on this bedroom that's ~4' deep.

--Now the other bedroom is 7'6 wide between the 5' knee wall and the 13'9 wall, which will be better with the 5' knee wall. We have a 6' knee wall next to a 6' dormer like yours. When the kids are up tomorrow afternoon when I get home, I'll measure things to see how I think it might feel and post again.

--Make the new hall to this dormered bedroom 42" wide, with a wall parallel to the 12' wall of the 12'6 x 12' bedroom. (Could you label your next drawing bedrooms A, B, C, D to make things easier to identify?) ;0) Put a linen closet about 18" deep and 4'6 wide opposite the new laundry. "Below" that, make a 5'x4'6 closet for the bedroom to the right. Then use the space "below" it for another closet the same size for the dormered bedroom.

It looks like you're trying to get the same square footage for each room, so you may want to juggle my suggestions around a little bit. If the new closet sizes seem too small, you could make the one for the 12'6x12' BR 4'6x10', make the alcove in the 13'9x10 BR a little narrower thus widening the closet, and make the dormered BR closet 7'6x4 between the 5' knee wall and the 13'9 wall.

Hope this helps!

Anne