Britain's Royal Families: The Complete Genealogy, rev. ed. @ p 47-48, d of Albert III Count of Namur, no mother. Source for
her tile (Countess of namur in her own right"
The cited information was published by Pimlico Random House, London, England, 1989, 1996 (Ref: p 47-48, d of Albert III Count of Namur, no mother. Source for
her tile (Countess of namur in her own right") The author/originator was Alison Weir.