The title Marquess of Milford Haven
was created in 1917 for Prince Louis of Battenberg
, the former First Sea Lord
, and a relation to the British Royal family
, who amidst the anti-German sentiments
of World War I
abandoned the use of his German surname
and titles and adopted the surname Mountbatten
, an anglicized version of the surname Battenberg. The 1st Marquess's younger son was created Earl Mountbatten of Burma
The Marquessate was created along with the subsidiary titles Earl of Medina and Viscount Alderney.
Marquesses of Milford Haven
Lord Milford Haven's heir apparent is his son Henry Mountbatten, Earl of Medina (b. 1991).