Robert Francis St Clair-Erskine, 4th Earl of Rosslyn, styled Lord Loughborough from 1851 until 1866, was a British Conservative politician. He served as Captain of the Gentlemen-at-Arms under Lord Salisbury between 1886 and 1890.
- Occupation
- politician, military officer
- Position held
- Member of the Privy Council of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- March 2, 1833
- Died
