Question: What is the date of birth of George Mountbatten, 2Nd Marquess Of Milford Haven's mother?
Sentence (from "George Mountbatten, 4th Marquess of Milford Haven"): George Ivar Louis Mountbatten, 4th Marquess of Milford Haven( born 6 June 1961), styled Earl of Medina before 1970, is a British peer and businessman.
Relevant evidence: No