Tags: Noble.
Margrave Rudolf IV of Hachberg-Sausenberg (1426 or 1427 Rötteln Castle – 12 April 1487 ibid.) was the son the Margrave William of Hachberg-Sausenberg and his wife Elisabeth of Montfort-Bregenz.In 1441 Rudolf’s father abdicated in favor of Rudolf and his brother Hugo. Since they were both minors at the time their uncle Count John of Freiburg-Neuchâtel took up government as their guardian.
