Question: Who is the maternal grandfather of George Mountbatten, 2Nd Marquess Of Milford Haven?
Sentence (from "David Mountbatten, 3rd Marquess of Milford Haven"): David Michael Mountbatten, 3rd Marquess of Milford Haven,( 12 May 1919 – 14 April 1970), styled Viscount Alderney before 1921 and Earl of Medina between 1921 and 1938, was the son of the 2nd Marquess of Milford Haven and Countess Nadejda de Torby.
Relevant evidence: No