and his brother Rudolf I. shared the heritage of their father Henry II.

The family maintained an own territory in Baden within the Holy Roman Empire of the German Nation from 1306 until 1503.

His daughter Johanna of Hachberg-Sausenberg succeeded him as Countess of Neuchâtel, while the Landgraviate of Sausenberg, the lordship of Badenweiler, the lordship of Rötteln and Schopfheim went to Margrave Christopher I of Baden.

[3][4][5][6] The name Susenberg was related to the prevailing medieval Alemannic dialect, which spelled and pronounced the letters "au" (as in Haus) as "u" (as in "Huus").

[7] The current spelling Sausenberg, which is used in today's Standard German literature, has not been used in official medieval documents.