THE Colquhouns derive their name from the Barony of Colquhoun in Dunbartonshire. In Alexander II’s reign Humphrey Kirkpatrick was granted a charter of these lands of Colchoun. His successor, Ingram, took the surname of Colquhoun of Colquhoun, married the “Fair Maid of Luss,” and so acquired that estate. There were three branches of the ColquhounsΒof that Ilk, of Kilpatrick, and of Luss. Luss became the chief seat of the family. Sir Humphrey Colquhoun of Luss received other lands from James IV. Sir Humphrey, 17th Laird of Luss, fought against Rob Roy at Loch Lomond. He died in 1715, when the estates and chiefship passed to his daughter and her husband. Grant of Pluscarden. Their son, James Grant, on his succession, took the name of Sir James Colquhoun of Luss. He fell heir to the Grant estates, and, resuming the name of Grant, was succeeded in the Chiefship of Colquhoun and estate of Luss by his second son Sir Ludovick Grant. He in turn succeeded to the estates of Grant, Luss going to his brother James, who was made a Baronet in 1786, and died the same year. He was succeeded by his son, Sir James, whose great-grandson, Sir James, 5th Baronet, was succeeded by his cousin, Sir Alan John, in 1907.