Northumberland 's two brothers , Sir Thomas and Sir Ingelram Percy , took an active part in the management of his estates . They were both leaders of the Pilgrimage of Grace . Both were arrested . Sir Thomas was attainted and executed in 1537 . His sons succeeded to the earldom : Thomas as seventh earl and Henry as eighth earl . Sir Ingelram Percy was confined in the Beauchamp Tower , where his name is to be seen cut in the stone ; he was soon liberated , went abroad , and died about 1540
Pilgrimage of Grace
Pilgrimage of Grace
Henry Percy, 6th Earl of Northumberland