The route was that taken by William Keith, 7th Earl Marischal and the Marquess of Montrose when they led a Covenanter army of 9000 men in the first battle of the Civil War in 1639. The following contemporary verse was written about the battle.
The route taken by William Keith, 7th Earl Marischal and the Marquess of Montrose with their army of 9000 Covenanter soldiers during the first war between the factions in 1639 resulted in a contemporary poem being written about the battle. The verse described the event.