People Hélio Prates da Silveira peoplepill id: helio-prates-da-silveiraHPDS 4 views today 4 views this weekHélio Prates da SilveiraBiographyAlso ViewedThe basicsQuick FactsGenderMaleBirth29 October 1920 People who share this birthdayDeath12 December 1997 People who died on this dayPlace of deathPorto AlegreAge77 yearsListsHélio Prates da Silveira is in following lists comments so far.CommentsHélio Prates da Silveira