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The Belgian royal family enjoy a day out at Laeken, a suburb of Brussels, 1953. Princess Lilian (1916 - 2002) shares a bench with her son Alexander and her daughter Marie-Christine. (Photo by Keystone/Hulton Archive/Getty Images)

The Belgian royal family enjoy a day out at Laeken, a suburb of Brussels, 1953. Princess Lilian (1916 - 2002) shares a bench with her son Alexander and her daughter Marie-Christine. (Photo by Keystone/Hulton Archive/Getty Images)