Mathilde's sister Elisabeth (29) - who was promoted from jonkvrouw to countess when Mathilde married Philippe, married markgraf Alfonso Pallavicini (42) at the Saint-Pierre parish church of her home town, Bastogne.
Elisabeth wore a d'Udekem family veil. It dates from the mid 19th century and was restaured for the wedding.
Witnesses at the religious ceremony were: Count Charles-Henri d'Udekem d'Acoz, countess Honorine d’Ursel, marquis Edouardo Pallavicini, Prince Hugo von Liechtenstein, Hervé Thibaut de Maisières and Alexandra Olsufief.
The mass was in French, Italian and German.
Duchess Honorine d'Ursel (in blue).
Countess Hélène d'Udekem d'Acoz (in pink) & Alexandra Olsufief (in orange)
Parents of the bride & groom: countess Anna Komorowska, markgravine Pallavicini, count Patrick d'Udekem d'Acoz
Duchess Maria Anna & duchess Elizabeth in Bayern
Countess Fleur von Goëss and her cousin prince Charles-Philippe d'Orléans. Charles-Philippe was Elisabeth's former boyfriend.
Princess Sonia Poniatowski with count Louis de Limburg Stirum and his wife, Belén López y Montero.
Baroness Priscilla de Broqueville and her sister, baroness Astrid de Broqueville.