Prince Richard, Duke of Gloucester pictured with Birgitte van Deurs (Birgitte, Duchess of Gloucester) as they meet the press after announcing their engagement in February 1972. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)
Prince Richard, Duke of Gloucester pictured with Birgitte van Deurs (Birgitte, Duchess of Gloucester) as they meet the press after announcing their engagement in February 1972. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)