 She then travelled to Cockermouth, after which Richard Lowther, the deputy-Warden of the West March, escorted her to Carlisle Castle, as there were rumours that some northern Catholic nobles may have wanted to rescue her from the English Crown's grasp.Lord Scrope, the long-serving Warden of the West March, removed her from Carlisle to his castle at Bolton in order to make her escape even more difficult.The abortive Rising of the North came about after Mary was removed further south and a subsequent attempt to rescue her was planned.