William IX of Aquitaine

• Name	William IX of Aquitaine
  Gender	Male
  Person ID	I1042	Trastámara Genealogy
  Last Modified	11 May 2025

  
  

  Father	William VIII of Aquitaine
  Mother	Hildegarde of Burgundy,   b. Abt. 1056   d. 1104 (Age ~ 48 years)
  Marriage	Abt. 1067  [1]
  Family ID	F198	Group Sheet  |  Family Chart

  
  

  Family	Philippa of Toulouse
  Children	+ 1. Agnes of Aquitaine   d. Abt. 1159 + 2. William X of Aquitaine
  Family ID	F393	Group Sheet  |  Family Chart
  Last Modified	12 May 2025

  
  

• Sources

  [S90] "Ermengarde of Anjou, Duchess of Burgundy," Wikipedia, last modified 28 Apr 2023, https://en.wikipedia.org/wiki/Ermengarde_of_Anjou,_Duchess_of_Burgundy.