STOCKHOLM, SWEDEN - FEBRUARY 24: First portrait of Baby Birgitta, daughter of Prince Gustaf Adolf and of Princess Sibylla on February 24, 1937 in Stockholm, Sweden. (Photo by Gamma-Keystone via Getty Images)
STOCKHOLM, SWEDEN - FEBRUARY 24: First portrait of Baby Birgitta, daughter of Prince Gustaf Adolf and of Princess Sibylla on February 24, 1937 in Stockholm, Sweden. (Photo by Gamma-Keystone via Getty Images)