Castlereagh, Robert (Marquess of Londonderry) Church: Westminster Abbey (in Westminster, London).Title: Marquess, Viscount.Profession: Member of Parliament, Minister of State, Privy Counsellor.Sex: Male.Virtue(s): Achievement/success*, Famed after death*, Good friend, Good sibling, Splendour.Language: Only English.Year of death: 1822.Year of headstone: 1850.Age at death: 53 (classed as: Adult).Looks like JavaScript is disabled; enable to get an interactive map of UK grave monuments.