King Willem-Alexander, Queen Máxima and their daughters Princess Catharina-Amalia, Princess Alexia & Princess Ariane, Prince Constantijn & Princess Laurentien, Prince Maurits & Princess Marilène, Prince Bernhard & Princess Annette, Prince Pieter-Christiaan & Princess Anita and Prince Floris & Princess Aimée attended the King’s Day celebrations in Maastricht on April 27, 2022