 According to the notification of this Royal Decree, any children born to the couple were to receive the surname 'van Oranje-Nassau van Amsberg' and become a 'Count (Countess) of Orange-Nassau' and also have the noble predicate 'Jonkheer (Jonkvrouw) van Amsberg'.So his children had the same titles and names as those of Prince Constantijn, and showing that they belong to the royal family descending from Queen Beatrix and Prince Claus.In social use, they are named with their comital title.