Adelaide, Countess of Vermandois

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Adelaide, Countess of Vermandois
File:Adelaide of Vermandois.jpg
Adelaide, Countess of Vermandois
Spouse(s) Hugh I, Count of Vermandois
Renaud II, Count of Clermont
Noble family Carolingian dynasty
Father Herbert IV, Count of Vermandois
Mother Adele of Valois and of the Vexin
Died 1120 or 1124

Adelaide of Vermandois (died 1120 or 1124) was suo jure Countess of Vermandois and Valois and the last member of the Carolingian dynasty.

Adelaide was the daughter of Herbert IV, Count of Vermandois, and Adele of Valois and of the Vexin.[1] Her brother was Eudes, Count of Vermandois (+ after 1085), married to Hedwig. Later became Lord of Saint-Simon by marriage.

Adelaide married firstly Hugh Magnus, son of the Capetian King Henry I of France and younger brother of Philip I of France. By this marriage she had nine children:

  • Matilda (fl 1110), married Ralph I of Beaugency
  • Beatrice (living 1144), married Hugh III of Gournay
  • Elizabeth of Vermandois, Countess of Leicester (d 1131)
  • Ralph I (d 1152)
  • Constance, married Godfrey de la Ferté-Gaucher
  • Agnes (living 1125), married Boniface of Savone
  • Henry (d 1130), Lord of Chaumont en Vexin
  • Simon (d 1148)
  • William, possibly married to Isabella, illegitimate daughter of King Louis VI of France

In 1104, she married secondly Renaud II, Count of Clermont.[citation needed] By this marriage she had one daughter, Margaret, who married Charles I, Count of Flanders.

In 1102, Adelaide was succeeded by her son, Ralph I. Adelaide died in 1120 or 1124 and the Carolingian dynasty died out with her.


  1. Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 64.
Adelaide, Countess of Vermandois
French nobility
Preceded by
Countess of Vermandois;
Countess of Valois
with Hugh I
Succeeded by
Ralph I