Ctse Adélaïs DE VERMANDOIS
- Born: Abt 1065, Valois, Bretagne, France
- Married (1): 1067, France
- Married (2): 1103, 2nd husband 1st wife
- Died: 23 Sep 1120, Vermandois, Aisne, Picardy, France
The De Genere Comitum Flandrensium, Notæ Parisienses names "Odonem et Adelam sororem" as the two children of "comes Herbertus", specifying that the husband of Adela was "Hugoni le Magne" and referring to her second husband "comes de Claromonte" and specifying that her daughter by the latter married Charles Count of Flanders.
The Genealogiæ Scriptoris Fusniacensis names "Adelidem comitissam Viromandensium, defuncto priore viro, scilicet Hugone Magno" as wife of "comes Rainaldus [de Claromonte]".
She succeeded her father in  as Ctss de Vermandois, de Valois et de Crépy. 1
Adélaïs married Hugues "Le Maisné" CAPET Duc de Vermandois & Bourgogne, son of Henri I CAPET King of the Franks and Anna Agnesa Yaroslavna RURIK Grand Duchess of Kiev, in 1067 in France. (Hugues "Le Maisné" CAPET was born in 1053 in Reims, Champagne-Ardenne, France, died on 18 Oct 1101 in Tarsus, , Cilicie and was buried in Cathedral of St. Paul de Tarse, Turkey.
Adélaïs also married Cte Renaud II DE CLERMONT-EN-BEAUVAISIS, son of Hugh DE CREIL comte de Clermont and Margaret (Marguerite) DE MONTDIDIER, in 1103. (Renaud II DE CLERMONT-EN-BEAUVAISIS was born about 1075 in Clermont-en-Beauvais, Oise, Picardy, France and died about 1153.)