1) Earl 
Mountbatten is the family name originally adopted by a branch of the Battenberg family during World War I because of rising anti-German sentiment among the British public. On 14 July 1917, Prince Louis of Battenberg assumed the surname Mountbatten (having rejected an alternative translation, `Battenhill`) for himself and his descendants and was .....
1900–79, British admiral: viceroy of India 1947; governor general of India 1947–48.