Wilhelm III. v.Montfort-Bregenz		Hugo v.Hohenberg-Rottenburg	Ursula v.Pfirt
Wilhelm IV. v.Montfort		Ursula v.Hohenberg-Rottenburg

Hugo XII. Graf v.Montfort-Bregenz u. Pfannenberg*1357/1373/1379, +4.4.1423/1426

---

Do you see errors?/Do you have hints?