sentences:  His claim to the earldom of Atholl was maintained by his eldest son and heir, David III Strathbogie, titular Earl of Atholl, a leading supporter of Edward Balliol.His second son, Sir Aymer de Strathbogie, Knt., of Felton, Jesmond, Ponteland, and Tarcet (in Thormeburre), was Knight of the Shire for Northumberland (as Adomar de Atholl) in 1381.Sir Aymer married Mary, said to be a daughter of Walter Steward.