Anna of Freiburg - 28 Feb 1331 Parents Benedikta|Agnes von Rötteln Rudolf I, Margrave of Hachberg-Sausenberg Children Klara Siblings Henry, Margrave of Hachberg-Sausenberg Otto I, Margrave of Hachberg-Sausenberg Rudolf II, Margrave of Hachberg-Sausenberg Partners Friedrich of Freiburg