"Hugo comes de Dagsburc" donated the church of Antheit "in allodio meo de Musac" to Flône abbey by charter dated 1146. “Comes Hugo de Dagesburc” reached agreement with "abbas Novillarensis ecclesiæ" relating to land "Warthenbergensi castro adjacentia" by charter dated 1158. The Annales Argentinenses record that "comite Hugone de Dagesburg" destroyed Horburg in 1162.
Hugo married Lutgardis VON SULZBACH, daughter of Berenger I VON SULZBACH Vogt von Bamberg and Adelheid VON WOLFRATSHAUSEN, in 1143. (Lutgardis VON SULZBACH was born in Sulzbach, Amberg, Oberpfalz, Bayern and died after 1162.)