Archduke Josef Arpad of Habsburg and Princess Maria of Lowenstein pictured on their wedding day at Bronnbach, September 12th 1956. (Photo by Keystone/Hulton Archive/Getty Images)
Archduke Josef Arpad of Habsburg and Princess Maria of Lowenstein pictured on their wedding day at Bronnbach, September 12th 1956. (Photo by Keystone/Hulton Archive/Getty Images)