Chatham House Chatham House The Royal Institute of International Affairs, commonly known as Chatham House, is a not-for-profit and non-governmental organisation based in London whose mission is to analyse and promote the understanding of major international issues and current affairs. It is the originator of the Chatham House Rule and takes its name from the building where it is based, a Grade I listed 18th-century house in St James's Square, designed in part by Henry Flitcroft and occupied by three British prime ministers, including William Pitt, 1st Earl of Chatham. In the University of Pennsylvania’s rankings (announced in January 2017) for their
John Butler, 15th Earl of Ormonde not assume the honours. He married Bridget Stacey in 1763 but had no children; she remarried Allen Walter. Butler dynasty John Butler, 15th Earl of Ormonde John Butler, 15th Earl of Ormonde and 8th Earl of Ossory ("de jure") was born before 1744 and died on 24 June 1766. He was the son of Thomas Butler of Garryricken and Lady Margaret Burke who was the daughter of William Burke, 7th Earl of Clanricarde. Upon the death of Charles Butler (14th Earl of Ormonde), his only surviving sister, Lady Elizabeth Butler inherited her brother's estate in 1760. Lady Elizabeth was the