Events
Date of Birth: about 1050 or 1055.
Place of Birth: unknown.
The date is given by Cawley.
Date of Death: 1106 or after.
Place of Death: unknown.
The date is given by Cawley. Poull (p. 78) states that Ermentrude is mentioned for the last time in sources in 1106.
Place of Burial:Autun Cathedral.
The place is given by Poull (p. 77).
Relationships
Father: Guillaume I “le Grand”, count of Burgundy.
This relationship is given by Bouchard (p. 275) and by Poull (p. 77).
Mother: Étiennette.
This relationship is given by Bouchard (p. 266) and by Poull (p. 77).
Spouse: Thierry, count of Montbéliard.
This relationship is given by Bouchard (p. 275) and by Poull (p. 77).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below comes from Cawley.)
Frederic de Mousson, count of Ferrette, married (1) Petrissa von Zähringen; married (2) Étiennette de Vaudémont.
Renaud I (died 1149), count of Bar, married Gisèle de Vaudémont.
Thierry de Mousson (died 1163), count of Montbeliard.
Louis de Mousson (died 1102).
Étienne de Mousson (died 29 December 1162), bishop of Metz.
Guillaume de Mousson.
Hugues de Mousson.
Gunthilde de Mousson (died 21 February 1131).
Agnes de Mousson married Hermann, count of Salm.
Mathilde de Mousson married Adalbert, count of Mörsberg.
References
Bouchard, Constance Brittain. Sword, Miter, and Cloister: Nobility and the Church in Burgundy, 980-1198 (Cornell University Press, 1987).
Cawley, Charles. ERMENTRUDE de Bourgogne in Medieval Lands: A prosopography of medieval European noble and royal families.
Poull, Georges. La Maison souveraine et ducale de Bar, (Presses Universitaires de Nancy, 1994).