THIERRY de Montbéliard (-before 1160). A charter dated to [1145] confirms the donations to Belchamp abbey by "dominus Theodericus comes de Monte Beligardis", with the consent of "Theoderici filii sui"[1464]. "Teodoricus comes Montis Biligardis" donated property to the church of Saint-Maimbœuf de Montbéliard, with the consent of "patris mei T. comitis…coniux nostra Gertrudis", by charter dated to [1155], witnessed by "Teobaldus de Rubeo Monte, Gill vicecomes, Rodulfus de Falcunnez"[1465]. His death is recorded before 1160 in the necrology of the abbey of Saint-Pierre le Vif, Sens[1466]. His death is confirmed by the charter dated 1160 under which his father "Theodericus comes de Monte Biligardis" donated toll revenues to numerous abbeys, after the death of "Theoderici filii mei"[1467]. m (before 1155) GERTRUD von Habsburg, daughter of WERNER Graf von Habsburg & his wife --- (-15 Feb [1132/34]). "Teodoricus comes Montis Biligardis" donated property to the church of Saint-Maimbœuf de Montbéliard, with the consent of "patris mei T. comitis…coniux nostra Gertrudis", by charter dated to [1155][1468]. A Habsburg genealogy names "Adelberctum, Gerdrudem de Mümpelgard, Richenzam de Fierrito" as the children of "Wernherus"