George Mountbatten, 4th Marquess of Milford Haven British peer and businessman (born 1961) (b. 1961) Parents Janet Bryce David Mountbatten, 3rd Marquess of Milford Haven Children Lady Tatiana Mountbatten Henry Mountbatten, Earl of Medina Siblings Lord Ivar Mountbatten Partners Sarah Walker Clare Mountbatten, Marchioness of Milford Haven