Rudolf IV, Margrave of Hachberg-Sausenberg Margrave of Hachberg-Sausenberg (1427–1487) Parents Elisabeth, Countess of Montfort-Bregenz William, Margrave of Hachberg-Sausenberg Children Olivier von Hochberg Philip of Hachberg-Sausenberg Siblings Hugo, Margrave of Hachberg-Sausenberg Ursula of Baden-Hochberg Kunigunde von Nellenburg Partners Margarethe Hachberg-Sausenberg
