People Gerardus de Haas peoplepill id: gerardus-de-haasGDH 5 views today 5 views this weekGerardus de HaasBiographyAlso ViewedThe basicsQuick FactsBirth13 September 1737 People who share this birthdayStar signVirgo People who share this birthdayDeath9 December 1817 People who died on this dayAge80 yearsListsGerardus de Haas is in following lists comments so far.CommentsGerardus de Haas