He married in 1298 or 1299 to Agnes, the heiress of Otto of Rötteln.

His elder brother Henry III continued the main Baden-Hachberg line at Hochburg castle in Emmendingen.

This established the foundation for the rise of the Hachberg-Sausenberg line.

In 1315, Lüthold donated the Lordship of Rötteln to Rudolf's son Henry, who came of age in that year.

[2] He had three children: Henry, Rudolf II and Otto I.