Karl-Johann Hartig Austrian engineer (born 1949) (b. 1949) Parents Wolfgang Graf von Hartig Maria Desiderata Gräfin von Habsburg-Lothringen Children Pia Victoria Elisabeth Gräfin von Hartig Siblings Bernhard Hartig Andreas Graf von Hartig Martin Franz Hartig Dominik Heinrich Hartig Benedikt Hartig Christian Benedikt Hartig Partners Stephanie Binder