The existence of this sister of Teutberga is indicated by the Annales Bertiniani which name "Teutbergam" as "materteram suam [=Bosone filio Buvini comitis]". 1
Marriage Information:
Unknown married Budwine, comte de Metz. (Budwine, comte de Metz was born in 830 in Amiens, Somme, Picardy, France and died before 869 in Metz, Moselle, Lorraine, France.)
Sources
1
Foundation for Medieval Genealogy, Medlands: daughter.