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
Earl of Leicester The properties associated with the earldom became part of what was later called the Duchy of Lancaster. In 1564 the earldom was again created for Queen Elizabeth I's favourite, Robert Dudley. Since Dudley died without heirs, the title became extinct at his death. The title was again created in 1618 for Robert Sidney, his nephew. Along with the earldom Robert Sidney was granted the subsidiary title of Viscount Lisle on 4 May 1605. The Sidneys retained the titles until the death of the seventh Earl in 1743, when the titles again became extinct. The title of earl was then recreated