John Erskine, Earl of Mar c. He is regarded as both the 19th earl in the 1st creation and the 2nd earl in the 7th. John Erskine was born in , though the precise date is unknown. He succeeded to the earldom of Mar on the death of his father in After attaining his majority he was nominally the guardian of the young king, who was about seven years his junior, and who lived with him at Stirling ; but he was in reality something of a puppet in the hands of the regent, James Douglas, 4th Earl of Morton ; and he lost power and position when Morton was imprisoned. Anne was the daughter of Lord David Drummond d.
February 1675 - May 1732
John Erskine, 23rd Earl of Mar, lived from to May An important landowner and politician, he played an key role in the Act of Union between Scotland and England in ; then led the Jacobite cause in the uprising. His frequent changes of sides led to him being known as "Bobbing John", and to his losing the trust of just about everyone.
It existed before our records and before the era of genuine history. The province of Mar, from which the title is taken, lies between the rivers Don and Dee, and is the most extensive and interesting district in Aberdeenshire. The Highland portion of the earldom, termed Braemar, is noted for its wild and majestic scenery. The Garioch, which in the olden time was connected with Mar and furnished a second title to the earldom, is an extensive and fertile valley, and used to be termed the granary of Aberdeen. About the beginning of the tenth century this designation was exchanged for the Saxon title of earl. Tradition has preserved a curious story of a remarkable incident connected with the death of one of the mormaors of Mar, named Melbrigda, about the close of the ninth century. He fell in battle with Sigurd, the first Scandinavian Earl of Orkney, who had conquered the greater part of the northern counties of Scotland and invaded the province of Mar; but his death was revenged upon the victor in a most singular manner.
Owing to a 19th-century dispute, there are currently two Earls of Mar as both the first and seventh creations are currently extant. The first creation of the earldom was originally the provincial ruler of the province of Mar in north-eastern Scotland. First attested in the year ,  the "seat" or "caput" eventually became Kildrummy Castle , although other sites like Doune of Invernochty were initially just as important. The Earldom of Mar, which is one of the seven original Scottish earldoms,  is thought to be the oldest peerage in Great Britain, and even Europe. Some modern sources give earlier mormaers, i. The Mormaerdom comprised the larger portion of modern Aberdeenshire , extending from north of the River Don southward to the Mounth hills.