Ada, Countess of Atholl
Ada, Countess of Atholl, was the daughter and heir of Forbhlaith, herself heir of the highland mormaerdom of Atholl, Scotland, and David of Hastings, England.
Her marriage to John de Strathbogie gave rise to the Strathbogie dynasty of Atholl Earls, beginning with their son David .
She died some time before 25 December 1266.
