John Campbell, Earl of Atholl John Campbell, Earl of Atholl John Campbell, Earl of Atholl (died 1333) was a Scottish nobleman. John was the son of Sir Neil Campbell by his wife Mary Bruce. His grandparents were Sir Cailean Mór Campbell, Afraig of Carrick, Robert de Brus, 6th Lord of Annandale and Marjorie, Countess of Carrick. In 1316 he inherited from his father the lands confiscated from David Strathbogie, and in about 1320 he was created Earl of Atholl, though Strathbogie's son also claimed the title. He was married to Joan, former wife of Malise IV, Earl of Strathearn and daughter of Sir John de
Subsidiary title Lord Maltravers. Subsidiary title A subsidiary title is an hereditary title held by a royal or a noble but which is not regularly used to identify that person, due to their concurrent holding of a greater title. For example, the Duke of Norfolk is also the Earl of Arundel, the Earl of Surrey, the Earl of Norfolk, the Baron Beaumont, the Baron Maltravers, the Baron FitzAlan, the Baron Clun, the Baron Oswaldestre, and the Baron Howard of Glossop. In day-to-day practice, the individual who holds all of these titles would be referred to only by his most senior title –