Kenneth de Moravia, 4th Earl of Sutherland

Kenneth de Moravia (also known as Kenneth Sutherland ) (died 19 July 1333) was the 4th Earl of Sutherland and chief of Clan Sutherland. He was the second son of William de Moravia, 2nd Earl of Sutherland. Kenneth’s mother is unknown.

Kenneth succeeded to the earldom on the death of his brother William de Moravia, 3rd Earl of Sutherland, in about December 1330.

Kenneth is thought to have married Mary (or Marjorie) of Mar, the widow of John of Strathbogie, Earl of Atholl who was executed by the English in London on 7 November 1306. She was the daughter of Domhnall I, Earl of Mar and Helen verch Llewellyn, a daughter of Llewelyn the Great. Mary’s sister, Isabella of Mar, was the first wife of Robert the Bruce (Robert I, King of Scotland).

Kenneth had issue:

Kenneth de Moravia was killed at the Battle of Halidon Hill on 19 July 1333 during the Wars of Scottish Independence, where together with Hugh, Earl of Ross, he led the vanguard of the Scottish army.

...
Wikipedia