Family: Hélène & Alistair

Mathilde's sister, Countess Hélène d'Udekem and her son, Alistair Janssen posed for a promo campaign for the province of Brabant wallon last month.

The photo was taken during a garden party at the Music Chapel Queen Elisabeth in Argenteuil.

Nicolas Janssen and baby Sophia, with Count Bernard de Launoit, CEO of the chapel.