William of Chalon, Count of Auxerre and Tonnerre

• Name	William of Chalon  [1, 2]
  Suffix	Count of Auxerre and Tonnerre
  Gender	Male
  Person ID	I14515	Savoia Genealogy
  Last Modified	17 Apr 2025

  
  

  Father	William III of Geneva
  Mother	Agnese di Savoia   d. 1372
  Family ID	F5361	Group Sheet  |  Family Chart

  
  

  Family 1	Humbert I of Viennois
  Marriage	Abt. 978  [3]
  Children	1. Antonia di Savoia   2. Hugh of Viennois, Baron of Faucigny   3. Pietro di Savoia, Bishop of Geneva   4. Jean II Grimaldi, Lord of Monaco
  Family ID	F5365	Group Sheet  |  Family Chart
  Last Modified	29 Apr 2025

  
  

  Family 2	Eleonora di Savoia
  Family ID	F5354	Group Sheet  |  Family Chart
  Last Modified	28 Apr 2025

  
  

• Sources

  [S5081] "Adelais of Amboise," Wikipedia, last modified 14 Jan 2024, https://en.wikipedia.org/wiki/Adelais_of_Amboise. [S5083] "Rotbold I, Count of Provence," Wikipedia, last modified 15 Dec 2023, https://en.wikipedia.org/wiki/Rotbold_I,_Count_of_Provence. [S5109] "Gerberga of Burgundy," Wikipedia, last modified 29 Mar 2025, https://en.wikipedia.org/wiki/Gerberga_of_Burgundy.