Henry III assumed the throne in the middle of the First Barons' War.
Francis Leveson Bertie , 1st Viscount Bertie of Thame -LRB- -LSB- ˈbɑrtɪ əv ˈteɪm -RSB- `` barty of tame '' ; 17 August 1844 -- 26 September 1919 -RRB- , was a British diplomat .. British. British people. He was Ambassador to Italy between 1903 and 1905 and Ambassador to France between 1905 and 1918 .. Ambassador to Italy. List of Ambassadors from the United Kingdom to Italy. Ambassador to France. List of Ambassadors from the United Kingdom to France