UNSPECIFIED - JANUARY 01: Belgium's Crown Prince BAUDOIN and his sister Princess JOSEPHINE-CHARLOTTE posing with their cousins around 1934. From left to right: Prince BAUDOIN of Belgium, Prince GEORG of Denmark (son of MARGARETHA of Sweden, sister of Queen ASTRID), Princess JOSEPHINE-CHARLOTTE of Belgium, Princess ASTRID of Norway (daughter of Martha of Norway, also a sister of Queen ASTRID) and Prince FLEMMING of Denmark (also a son of MARGARETHA of Sweden). (Photo by Keystone-France/Gamma-Keystone via Getty Images)

UNSPECIFIED - JANUARY 01:  Belgium's Crown Prince BAUDOIN and his sister Princess JOSEPHINE-CHARLOTTE posing with their cousins around 1934. From left to right: Prince BAUDOIN of Belgium, Prince GEORG of Denmark (son of MARGARETHA of Sweden, sister of Queen ASTRID), Princess JOSEPHINE-CHARLOTTE of Belgium, Princess ASTRID of Norway (daughter of Martha of Norway, also a sister of Queen ASTRID) and Prince FLEMMING of Denmark (also a son of MARGARETHA of Sweden).  (Photo by Keystone-France/Gamma-Keystone via Getty Images)