Also known as Guglielmo di Ivrea.
Count of Mâcon
Count of Burgundy
Events
Date of Birth: before about 962.
Place of Birth: Italy.
The date and place are given by Baldwin.
Date of Burial: 21 September 1026 or 1027.
Place of Burial: Dijon, Abbaye de Saint-Bénigne.
The date and place are given by Baldwin. Glocker (p. 297) gives the date as September 1027, before the 30th.
Relationships
Father: Adalberto, associate king of Italy.
This relationship is given by père Anselme (8:409), by Fasoli, by Bouchard (p. 18), and by Baldwin.
Mother: Gerberge.
This relationship is given by père Anselme (8:409), by Bouchard (p. 18), and by Baldwin.
Spouse: Ermentrude de Roucy. Married about 981.
This relationship is given by père Anselme (8:410), by Glocker (p. 297), by Bouchard (p. 18), and by Baldwin.
Spouse: Adélaïde (died 29 May 1026).
This relationship is given by père Anselme (8:410), by Bouchard (p. 18), and by Baldwin. Bouchard (pp. 23-24) argues that she was Adélaïde-Blanche of Anjou, but Baldwin considers this "very improbable".
Children (by Ermentrude):
(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 Baldwin.)
Guy, joint count of Mâcon.
Renaud I (died September 1057), count of Burgundy, married (1) Adélaïde, daughter of Richard II de Normandie.
Mathilde (died 1005) married Landry de Monceau, count of Nevers.
Gerberge married Guillaume III, count of Provence.
Agnès de Mâcon (died 10 November 1068) married (1) Guillaume V d’Aquitaine; married (2) Geoffroy II d’Anjou.
References
Anselme de Sainte-Marie. Histoire Généalogique et Chronologique de la Maison Royale de France, des Pairs, Grands Officiers de la Couronne, de la Maison du Roy et des Anciens Barons du Royaume. 9 Volumes (Paris: 1726-1733).
Baldwin, Stewart. “Otto alias Guillaume, or Otte-Guillaume” in The Henry Project. (2008)
Bouchard, Constance Brittain. “Those of My Blood”: Constructing Noble Families in Medieval Francia (University of Pennsylvania Press, 2001).
Fasoli, Gina. “Adalberto, re d’Italia” in Dizionario Biografico degli Italiani Volume 1 (1960).
Glocker, Winfrid. Die Verwandten der Ottonen und ihre Bedeutung in der Politik: Studien zur Familienpolitik und zur Genealogie des Sächsischen Kaiserhauses (Böhlau Verlag: Köln, 1989).