sentences:  He succeeded his half-brother Alexander Leslie-Melville, 10th Earl of Leven in 1889.He was a Director of the Peninsular and Oriental Steam Navigation Company and of the Bank of England.He was a Scottish representative peer from 1892 until his death, Keeper of the Privy Seal of Scotland from 1900 until his death, and Lord High Commissioner to the General Assembly of the Church of Scotland for nine successive years 1898–1906.