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She was born in Anderlecht, Brussels. Ten years prior to her birth, a new act of succession was put into effect which created full lineal primogeniture. If she ascends the throne, she will be Belgium's first queen regnant.
Elisabeth's godparents are Prince Amedeo of Belgium, her cousin, and Countess Hélène d'Udekem d'Acoz, her aunt.
The eldest son of the heir apparent was traditionally titled 'Count of Hainaut ' (Dutch: Graaf van Henegouwen). It was therefore expected that a new royal decree would be issued, granting the title of Countess of Hainaut to Princess Elisabeth. A royal decree was indeed issued, but, despite all predictions, it didn't grant her the title but abolished the title, because it was not linguistically neutral.