Surname: Dietrichstein-Landskron-Velden | Name index 5 people Franz Anton, count of Dietrichstein-Landskron-Velden Franz Sigmund Ludwig, count of Dietrichstein-Landskron-Velden Gundakar Poppo, count of Dietrichstein-Landskron-Velden Johann Douglas, count of Dietrichstein-Landskron-Velden * 1779 Philipp Sigfried, count of Dietrichstein-Landskron-Velden Surname