 He is credited with building the present House of Gleneagles and fought for the royalist army, leading his regiment against Parliament at the Battle of Dunbar (1650).General George Haldane, son of the sixteenth Laird was a professional soldier who fought against the French at the Battle of Dettingen in 1743 and the Battle of Fontenoy in 1745.George Haldane also served under the Duke of Cumberland against the Jacobites in the campaign of 1745 - 1746.