 Sir William Cunningham's grandson was created Lord Kilmaurs in 1462 and then later Earl of Glencairn.One of his younger brothers was the ancestor of the Cunningham of Caprington branch of the clan who later achieved their own prominence.Other distinguished branches of the clan are the Cunninghams of Cunninghamhead, the Cunninghams of Aitket, te Cunninghams of Robertland and the Cunninghams of Corsehill.