Count Heinrich Hoyos (1924-1999) (1924–1999) Parents Rudolf Hoyos Marie Karoline Gräfin von Hartig Children Countess Ladislaja Hoyos Countess Veronika Hoyos Count Heinrich Hoyos Count Markus Hoyos Count Ernst Hoyos Countess Teresita Hoyos Alfred Hoyos Countess Hemma Hoyos Siblings Count Bernhard Hoyos Countess Eleonore Hoyos Count Ernst Hoyos Hans Hoyos-Sprinzenstein Partners Maria Therese Baronin Mayr von Melnhof