People Johann Jakob Mackensen peoplepill id: johann-jakob-mackensenJJM 2 views today 2 views this weekJohann Jakob MackensenBiographyAlso ViewedThe basicsQuick FactsGenderMaleBirth28 September 1721 People who share this birthdayDeath29 October 1785 People who died on this dayPlace of deathHanoverAge64 yearsListsJohann Jakob Mackensen is in following lists comments so far.CommentsJohann Jakob Mackensen
