Princess Beatrix of the Netherlands with her fiance Claus van Amsberg on the occasion of their engagement announcement at Soestdijk Palace in Baarn near Amersfoort on 1st June 1965. (Photo by Ray Bellisario/Popperfoto via Getty Images/Getty Images)
Princess Beatrix of the Netherlands with her fiance Claus van Amsberg on the occasion of their engagement announcement at Soestdijk Palace in Baarn near Amersfoort on 1st June 1965. (Photo by Ray Bellisario/Popperfoto via Getty Images/Getty Images)