Kenneth first appears on record in December 1330 in a grant from Reginald Moray of Culbin who renounced all his claims to his possessions within the earldom of Sutherland. Kenneth de Moravia, 4th Earl of Sutherland was killed at the Battle of Halidon Hill fighting against the English on 19 July 1333.[2]
Eustachia, married, about December 1330, to Gilbert Moray, son and heir of Reginald Moray of Culbin who himself was a grandson of Richard de Moravia.[3]