Castlereagh
/ˈkɑːslreɪ/- Castlereagh, Robert Stewart, Viscount (1769-1822), British Tory statesman. He became Foreign Secretary in 1812 and represented Britain at the Congress of Vienna (1814-15).卡斯尔雷, 罗伯特·斯图尔特, 子爵（1769-1822, 英国托利党政治家, 1812年出任外交大臣, 代表英国出席维也纳会议[1814-1815]）。