Domhnall II, Earl of Mar 14th-century Scottish nobleman (1302–1332) Parents Gartnait, Earl of Mar Christina Bruce Children Margaret, Countess of Mar Thomas, Earl of Mar Siblings Helen of Mar Margaret Seton John Seton, 1st Baron Parbroath Sir John Moray, Lord of Bothwell Sir Thomas Moray, Lord of Bothwell Sir Alexander de Seton Partners Isabella Stewart