He followed Rupert to the Battle of Marston Moor, and after the complete defeat of Charles's cause in the North, withdrew to the Isle of Man, where he held out for the king and offered asylum to royalist fugitives. His administration of the Isle imitated that of Thomas Wentworth, 1st Earl of Strafford in Ireland. It was strong rather than just. He maintained order, encouraged trade, remedied some abuses, and defended the people from the exactions of the church; but he crushed opposition by imprisoning his antagonists, and aroused a prolonged agitation by abolishing the tenant-right and introducing leaseholds.