Princes of wales who gave up crown for an American girl from Maryland?

King Edward VIII gave up the Crown in 1936 to marry Wallis Simpson, he was forced to do this for a number of reasons, first Wallis had been divorced in 1927, at the time the Church of England didn't allow divorce and the King is the Head of the Church of England, also at the time Wallis was married to some one else, Ernest Aldrich Simpson, and was getting divorced from him, Wallis was also an American and a commoner, the King's tries to Marry Wallis lead to a major constitutional crisis in the UK and the Empire forcing Edward VIII to Abdicate on 11 December 1936, Willis and Edward(Now the Duke of Windsor) married 3 June 1937 a mouth after Willis divorce from Ernest Aldrich Simpson was made final, The Duke and Duchess of Windsor stayed married till Edward's Death in 1972, Willis died alone in 1986.