Floor 1 - I would take out one of the bathrooms between the bedrooms and the wall for a Jack and Jill bathroom. Also needs a big shower in master bath, and not crazy about the master suite sharing a wall with the living room.
This is the perfect floor plan! Turning the first floor bedroom into a second office would be perfect. ☺️ European Style House Plans - 14814 Square Foot Home, 3 Story, 6 Bedroom and 6 3 Bath, 6 Garage Stalls by Monster House Plans - Plan