King of Thessalonica Guglielmo V del Monferrato, 10th Marquis of Montferrato

1173 - 1226  (~ 53 years)

• Name	Guglielmo V del Monferrato  [1, 2]
  Title	King of Thessalonica
  Suffix	10th Marquis of Montferrato
  Birth	Abt. 1173  [1, 2]
  Gender	Male
  Also Known As	William VI of Montferrat  [2]
  Also Known As	1207–1226  [1, 2]
  	Marquis of Montferrat
  Death	17 Sep 1226	Almyrós, Magnisia, Thessalia, Greece   [1, 2]
  Person ID	I14552	Savoia Genealogy
  Last Modified	17 Apr 2025

  
  

  Father	Hugh III of Burgundy, Count of Burgundy
  Mother	Adelaide of Merania
  Family ID	F5353	Group Sheet  |  Family Chart

  
  

  Father	Baldwin de Redvers, 7th Earl of Devon
  Mother	Elena del Bosco
  Marriage	984  [3]
  Family ID	F5376	Group Sheet  |  Family Chart

  
  

  Family	Berta di Clavesana,   b. 1182   d. 1224 (Age 42 years)
  Children	1. Berta di Clavesana,   b. 1182   d. 1224 (Age 42 years)   2. 11th Marquis of Montferrat Bonifacio II del Monferrato, 11th Marquis of Monferrato,   b. Jul 1202   d. 12 May 1253, Moncalvo, Asti, Piemonte, Italy (Age ~ 50 years)   3. Giovanni di Savoia   4. Lady of Saint-Bonnet Beatrice del Monferrato, Lady of Saint-Bonnet ,   b. Abt. 1210   d. 1274 (Age ~ 64 years)   5. Alice del Monferrato, Queen of Cyprus,   b. Abt. 1215   d. 1232 (Age ~ 17 years)
  Family ID	F5382	Group Sheet  |  Family Chart
  Last Modified	28 Apr 2025

  
  

• Sources

  [S5086] "William III, Duke of Aquitaine," Wikipedia, last modified 2 Apr 2025, https://en.wikipedia.org/wiki/William_III,_Duke_of_Aquitaine. [S5087] "Ranulf II of Aquitaine," Wikipedia, last modified 16 Feb 2025, https://en.wikipedia.org/wiki/Ranulf_II_of_Aquitaine. [S5077] "William I of Provence," Wikipedia, last modified 28 Apr 2024, https://en.wikipedia.org/wiki/William_I_of_Provence.