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
James Sinclair, 12th Earl of Caithness Ross-shire militia. He married at Thurso Castle on 2 January 1784 Jane, second daughter of Alexander Campbell of Bareldine who was deputy governor of Fort George. They had the following children: James Sinclair, 12th Earl of Caithness James Sinclair, 12th Earl of Caithness was a Scottish noble and chief of the Clan Sinclair. James Sinclair was born at Barrogill Castle (Castle of Mey) on 31 May 1766. He was the son of Sir John Sinclair of Mey, Baronet who he succeeded in the baronetcy in 1774. He succeeded as 12th earl of Caithness in 1789, as nearest lawful male heir