There are currently two earldoms of Mar in the Peerage of Scotland, and the title has been created seven times. The first creation of the earldom is currently held by Margaret of Mar, 31st Countess of Mar, who is also clan chief of Clan Mar. The seventh creation is currently held by James Erskine, 14th Earl of Mar and 16th Earl of Kellie, who is also clan chief of Clan Erskine.
Mars Wark: The Earl of Mar's house in Stirling, situated on the approach to Stirling Castle, the Earl of Mar was governor of the castle during the mid-16th century.
John Erskine, Earl of Mar from 1689 to 1716 (his attainder).
James Stewart, 1st Earl of Moray was a member of the House of Stewart as the illegitimate son of King James V of Scotland. At times a supporter of his half-sister Mary, Queen of Scots, he was the regent of Scotland for his half-nephew, the infant King James VI, from 1567 until his assassination in 1570. He was the first head of government to be assassinated with a firearm.
Statue of James Stewart, 1st Earl of Moray, Scottish National Portrait Gallery
James Stewart (c. 1531–1570), 1st Earl of Moray (1562), Regent of Scotland (1567–1570), 1568
Assassination of the Regent Moray. Victorian stained-glass window in St Giles' Kirk, Edinburgh