From the French Wikipedia page on Robert I de Meaux: http://fr.wikipedia.org/wik...

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From the French Wikipedia page on Robert I de Meaux: http://fr.wikipedia.org/wiki/Robert_Ier_de_Meaux referencing (1) Robert de Vermandois sur le site Foundation for Medieval Genealogy http://fmg.ac/Projects/MedLands/CHAMPAGNE%20NOBILITY.htm#Robertdied967 (2) Adelais de Troyes sur le site Foundation for Medieval Genealogy http://fmg.ac/Projects/MedLands/CHAMPAGNE%20NOBILITY.htm#dauRobertM970CharlesFrance

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