Answer
Anabella Drummond was the wife of Robert III, King of Scotland from 1390 to 1406. Their marriage took place in 1367, when Robert was still the Earl of Carrick. Anabella was the daughter of Sir John Drummond of Stobhall and Mary Montifex. The couple had four children together: David, Duke of Rothesay; James I of Scotland; Mary, Countess of Buchan; and Margaret, Countess of Angus.