Theobald I of Ferrette Count of Ferrette (b. 1250) Parents Agnès de Vergy, Dame de Morey Ulrich II of Ferrette Children Sophie of Pfirt Irmgard von Pfirt Herzelande von Pfirt Ulrich III de Ferrette Siblings Adelaïde de Ferrette Liébaud III de Bauffremont, Sire de Bauffremont Ludwig von Pfirt Partners Katharina von Klingen