Prince Gustaf Adolf, Duke of Västerbotten Swedish prince, heir apparent until his death (1906–1947); father of Carl XVI Gustaf of Sweden (1906–1947) Parents Princess Margaret of Connaught Gustaf VI Adolf of Sweden Children Princess Désirée, Baroness Silfverschiöld Princess Margaretha, Mrs. Ambler Princess Birgitta of Sweden Carl XVI Gustaf of Sweden Princess Christina, Mrs. Magnuson Siblings Prince Bertil, Duke of Halland Prince Sigvard Bernadotte Ingrid of Sweden Prince Carl Johan Bernadotte unnamed daughter Bernadotte Partners Princess Sibylla of Saxe-Coburg and Gotha