|Birth Place||Allendorf, Germany, Germany|
|Alma mater||University of Erlangen|
|Children||Katharina and Maximilian Viessmann|
|Relatives||Johann Viessmann (grandfather)|
Martin Viessmann is the son of Hans Viessmann and the grandson of Johann Viessmann, who founded Viessmann Group in 1917. He has a diploma from the University of Erlangen.