James St Clair-Erskine, 3rd Earl of Rosslyn British politician (1802–1866) (1802–1866) Parents Harriet Elizabeth Bouverie James St Clair-Erskine, 2nd Earl of Rosslyn Children Robert St Clair-Erskine, 4th Earl of Rosslyn James Alexander George St. Clair-Erskine, Lord Loughborough Lady Harriet Elizabeth St. Clair-Erskine Siblings Henry Francis St. Clair-Erskine Henry Alexander St. Clair-Erskine Lady Janet St. Clair-Erskine Partners Frances Wemyss
