Titulära svenska hertigars vapen från 1700-talet till nutiden
Since 1772, members of the Royal Swedish family have been granted titular duchies among the historical provinces of Sweden. The right to choose a duchy for a prince, and since 1980, for a princess that is heir to the throne, lies with the King. Central and important provinces with majestic heraldic symbols have been chosen to a greater extent than smaller and more peripheral provinces with less ma