Courtenay and Charles Brandon , 1st Duke of Suffolk were sent into Yorkshire to put down the Pilgrimage of Grace , a Roman Catholic uprising that broke out on 15 October 1536 . Courtenay failed in this task and retreated to Devonshire . On 15 May 1537 he served as High Steward at the trial for treason of Thomas Darcy , 1st Baron Darcy de Darcy , charged with being a leader of the rebellion
Pilgrimage of Grace
Pilgrimage of Grace
Henry Courtenay, 1st Marquess of Exeter