Belgravian Meaning

Example : Of or pertaining to Belgravia, London.1909, The Athenæum: A Journal of Literature, Science, The Fine Arts, Music, and The Drama, page 434,  Many of the social figures in England, male and female, especially a very Belgravian mother, Lady Clarice, are deftly drawn ; but the coloured desperado, who fails in his attack on his brother, is a little crude.1929, Punch, or the London Charivari, Volume 176, page 258,  […] and of course she has the most Belgravian connection, my dear she's ushered half the peerage onto the planet, so that what I don't know about the insides of the aristocracy and their habits in the home, […]