Home Military people Johannes Janzen Johannes Janzen Military person Lieutenant Johannes Janzen was a World War I flying ace credited with thirteen aerial victories. Personal facts Birth dateMay 21, 1986 Birth placeKwidzyn facebook tumblr linkedin twitter reddit google+ Search Military person allegianceGermany awardIron Cross military commandJasta 4 Jasta 6 military unitJagdstaffel 6Jagdstaffel 23 service start1914 service end1918 Johannes Janzen on Wikipedia Johannes Janzen