Douglas" for what they considered his dark deeds: he became the bogeyman of a Northern English lullaby "Hush ye, hush ye, little pet ye. Hush ye, hush ye, do not fret ye. The Black Douglas shall not get ye." Unsubstantiated theories point to his colouring and complexion, this is tenuous. Douglas appears only in English records as "The Black" – Scots chronicles almost always referred to him as "The Guid" or "The Good". Later Douglas lords took the moniker of their revered forebear in the same way that they attached the image of Bruce's heart to their coat of arms: to strike fear into the hearts of their enemies and to exhibit the prowess of their race. Crusader King Robert the Bruce had requested that Douglas, latterly his most esteemed companion in arms, should carry his heart to the Holy Land, as atonement for the murder of John III Comyn. Douglas and his knights had joined the forces of Alfonso XI of Castile, Edward III of England's cousin by his mother Queen Isabella, to fight against the Moors in 1330 at the siege of Teba. Outnumbered and cut off from the main Christian force, Douglas was killed leading a cavalry charge. The casket containing the heart of the Bruce was recovered and returned to Scotland, to be interred at Melrose Abbey. Douglas' bones were boiled and returned to Scotland. Tradition claimed that his embalmed heart was lodged in the Douglas vaults at the Kirk of St Bride. Meanwhile, his bones are not in the stone vault lying under his effigy and they have yet to be located. By 1333 King Robert's 'bloody heart' was incorporated in the arms of Sir James' son, William, Lord of Douglas. It subsequently appeared, sometimes with a royal crown, in every branch of the Douglas family. Sir Archibald Douglas, Guardian of the Realm The Scottish army that fought and lost the Battle of Halidon Hill in 1333 was led by James' youngest brother who had been elected Regent of Scotland in late March 1333. Sir Archibald Douglas has been badly treated by some historians; frequently misidentifying this Douglas warrior as the Tyneman or loser when the moniker was intended for a later less fortunate but equally warlike Archibald. He was mentioned in Barbour's The Brus for his great victory during the Weardale campaign; leading the Scottish army further south into County Durham he devastated the