Edward Henry Stanley, 15th Earl of Derby KG PC FRS , known as Lord Stanley from 1851 to 1869, was a British statesman. He served as Secretary of State for Foreign Affairs twice, from 1866 to 1868 and from 1874 to 1878.
He was born to Edward SmithStanley, 14th Earl of Derby, who led the Conservative Party from 18461868 and served as Prime Minister three times, and Emma Caroline BootleWilbraham, daughter of Edward BootleWilbraham, 1st Baron Skelmersdale, and was the older brother of Frederick Arthur Stanley, 16th Earl of Derby. The Stanleys were one of the richest landowning families in England. Lord Stanley, as he was styled before acceding to the earldom, was educated at Eton, Rugby and Trinity College, Cambridge, where he took a first in classics and became a member of the society known as the Cambridge Apostles.
Source: Wikipedia