. . . "Prince Sigvard Bernadotte" . . . "her late husband's title" . "Prince" . . . "prince or princess" . . "prince of the Belgian nobility" . "Bernadotte" . "Prince Bernadotte" . . . "Princess Bernadotte" . "Prince Bernadotte" . "Princes and Princesses Bernadotte" . "princess of Belgian nobility" .