Duke of Wellington's bedchamber

de bene esse: literally, of well-being, morally acceptable but subject to future validation or exception

Secrets from the Duke of Wellington's bedchamber: Military genius who defeated Napoleon had a 'veritable harem' of aristocrats

Behind the back of the wife, who he found unattractive, the Battle of Waterloo hero had a secret harem of lovers, including a princess, a lady and an ambassador's wife.