Revd. Canon James Seymour Denis Mansel , formerly Deputy Clerk of the Closet, Sub-dean of the Chapel Royal, Sub-Almoner, and Domestic Chaplain to Her Majesty the Queen of the United Kingdom 1965–79. Mansel was born in Leamington on 18 June 1907 and educated at Brighton College and Exeter College, Oxford, where he read French. He spent more than thirty years as a schoolmaster, first at Dulwich College 1934–39 and then at Winchester College 1939–65.
https://en.wikipedia.org/wiki/James_Mansel