 To ensure that his efforts to secure his pre-eminence were not in vain, Douglas decided to visit King David in France in an attempt to forge a friendship between them.In 1339, Douglas visited the King at Château Gaillard on the Seine, 50 miles North-West of Paris.Douglas returned from France with a party of French Knights and Crossbowmen and the promise of Royal favour in return for helping arrange and prepare the way for the King's return to Scotland.