 On 9 May 1546 Blagge was heard to deny the efficacy of the Mass, while walking home after church.According to the chronicle of Charles Wriothesley, who was a cousin of Thomas Wriothesley, the Lord Chancellor, Blagge's case was bundled together with those of two others accused of the same heresy and rushed through to trial.In Blagge's Guildhall trial, the prosecution witnesses were Sir Edward Littleton of Pillaton Hall and Sir Hugh Calverley.