We are doing a family cruise that includes myself and my wife along with our daughter, her husband and their three teenage kids.  We have three cabins booked. OV Balcony's and an Inside across the hall.  We have booked my wife and I in separate cabins to maximize our Diamond balcony discount.  I know that Royal and the cabin steward doesn't care who sleeps where and will give us multiple keys for multiple rooms.  However, if we go to GS upon boarding, instead of getting multiple keys can they ju