Captain George Louis Victor Henry Serge Mountbatten, 2nd Marquess of Milford Haven (6 November 1892 – 8 April 1938), born Prince George of Battenberg, styled Earl of Medina between 1917 and 1921, was a Royal Navy officer and the elder son of Louis Mountbatten, 1st Marquess of Milford Haven (Prince Louis of Battenberg), and Princess Victoria of Hesse and by Rhine.
Prince George of Battenberg, as he then was known, married Countess Nadejda Mikhailovna de Torby (daughter of Russian Grand Duke Michael Mikhailovich Romanov and his morganatic wife, Countess Sophie von Merenberg) on 15 November 1916 at the Russian Embassy, Welbeck Street, London. They lived at Lynden Manor[10] at Holyport in Berkshire and had two children:
Lady Tatiana Elizabeth Mountbatten (16 December 1917 – 15 May 1988).
David Michael Mountbatten, 3rd Marquess of Milford Haven (12 May 1919 – 14 April 1970).