Did you mean: Walburgis van Nieuwenaar
Anna Walburgis van Nieuwenaer was a politically active Dutch countess.
She married Philip de Montmorency, Count of Horn in 1543. She was a Protestant and actively supported the Protestant movement in the fief of her spouse. Wikipedia
Born: 1522
Died: May 25, 1600 (age 78 years)
Grandparents: Walburge von Manderscheid-Schleiden and Wilhelm I. von Neuenahr
Great-grandparents: Gumprecht II of Neuenahr, Kuno de Manderscheid, and Walpurgis van Hoorne
Parents: Anna von Wied-Mörs and Wilhelm Neuenahr