[2] History then keeps quiet about Douglas except whilst serving under his older brother, James, in the 1327 campaign in Weardale, where his foragers "auoint curry apoi tot levesche de Doresme"- overran nearly all the Bishopric of Durham.
Following the rout of the Earl of Mar's force Dunbar did not engage the disinherited but retreated allowing Edward Balliol to be crowned at Scone, thus probably avoiding another crushing defeat.
Edward III came north to personally command his army, thus making the violation of the peace treaty official, and laid siege to Berwick-upon-Tweed.
However, a temporary truce was declared with the stipulation that if not relieved within a set time, Sir Alexander Seton, the governor, would deliver the castle to the English.
Douglas' numerically superior force attacked up the slope and was slaughtered by the English archers, a prelude, perhaps, to the battles of Crécy and Agincourt.