english: He is the son of Prince Gustaf Adolf, Duke of Vasterbotten (1906 – 1947) and Princess Sibylla of the House of Saxe-Coburg and Gotha (1908 – 1972).
non_english: Panjenengané iku putra tunggal saka Pangeran Gustaf Adolf (1906-1947) lan Putri Sibylla saka Saxe-Coburg-Gotha (1908-1972).