John Erskine Erskine, John, nineteenth or third earl of Mar (c.1585–1653), nobleman (1585–1653) Parents John Erskine, 18th Earl of Mar Anne Drummond Children Lady Elizabeth Erskine John Erskine, 21st Earl of Mar Siblings James Erskine, 6th Earl of Buchan Lady Margaret Erskine Sir John Erskine of Otterstoun Sir Charles Erskine of Alva Lady Anne Erskine Lady Catherine Erskine Henry Erskine, Master of Cardross Lady Mary Erskine