People Sir John de Thornhill peoplepill id: sir-john-de-thornhillSJDT 2 views today 2 views this week- 1322Sir John de ThornhillBiographyAlso ViewedThe basicsQuick FactsIntro- 1322GenderMaleBirth1268Death18 May 1322 People who died on this dayAge54 yearsFamilyChildren:Sir Brian de ThornhillListsSir John de Thornhill is in following lists comments so far.CommentsSir John de Thornhill