John de Moravia, 8th Earl of Sutherland
John de Moravia was the 8th Earl of Sutherland and chief of Clan Sutherland. During his chieftaincy his clan fought against the Clan Donald at the Battle of Skibo and Strathfleet.
John de Moravia, 8th Earl of Sutherland married firstly a daughter of John of Islay, Earl of Ross and Lord of the Isles and had the following children:
- John de Moravia, 9th Earl of Sutherland
- Alexander de Moravia
- Elizabeth de Moravia, 10th Countess of Sutherland.
John de Moravia, 8th Earl of Sutherland married secondly a daughter of the chief of the Clan Ross of Balnagown Castle and had the following two sons:
- Alexander Sutherland, 1st of Killipheder. He married a sister of the chief of Clan Mackay and disputed the right to the Earldom of Sutherland with his elder sister Elizabeth and her Gordon husband. Alexander Sutherland's brother in-law, the chief of Clan Mackay fought against the Gordons at the Battle of Torran Dubh in Sutherland in 1517. Alexander Sutherland was later killed by the Gordons who succeeded as Earls of Sutherland at the Battle of Alltachuilain in 1518.
- George Sutherland.