Renaud I DE NEVERS Count of Nevers & Auxerre
Adélaïde (Avoie, Hedwig) CAPET Countess of Auxerre & Coutance
(Abt 1003-)
Rainard DE TONNERRE Count of Tonnerre
(Between 980-After 1039)
(-After 1039)
Guillaume I DE NEVERS Count of Nevers & Auxerre
Ermengarde DE TONNERRE
(Between 1023-Bef 1090)
Guillaume II DE NEVERS Count of Tonnerre
(Abt 1050-After 1090)


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Guillaume II DE NEVERS Count of Tonnerre

  • Born: Abt 1050, Nevers, Nièvre, Bourgogne, France
  • Died: After 1090, Tonnerre, Yonne, Bourgogne, France

   Research Notes:

The Origine et Historia Brevi Nivernensium Comitum names "Guillelmum et Renaldum" as the two sons of "Guillelmus…I", stating that Guillaume obtained "curam Tornodori". Although the wording of this passage suggests that Guillaume was the older son, the charter dated 4 Mar 1063 subscribed by "filii mei Raginaldi, Wilelmi, Rotberti" after "Wilelmus comes" is more likely to show the correct order of birth of the brothers. He and his brothers are named in their father's 1083 charter.

Comte de Tonnerre [1090]. The Annales Nivernenses record a conflict in 1099 between "Willelmum comitem iuvenem" and "Aymonem de Borbono", specifying that the latter fled, that many of his knights were killed "in Aligero fluvio", and that Guillaume returned victorious with many captives "4 Non Iun". A charter dated to [1089/96] recalls a donation to the abbey of Molesme by "Willelmus comes Tornodorensis" in praise of "patre suo Wilelmo Nevernensis comite…fratris eius Raynaldi et matris eius"

   Marriage Information:

Guillaume married Mahaut.

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