| On August 5, Princess Irene of the Netherlands turned 80. On September 16, 2019, King Willem-Alexander, Princess Beatrix, Princess Margriet, Prince Constantijn, Princess Laurentien, Princess Viktoria, Prince Jaime, Princess Carolina, Princess Marilene, Prince Maurits, Princess Aimee, Prince Floris, Prince Carlos, Princess Annemarie, Princess Margarita and Tjalling Siebe ten Cate attended a party in theater Carre in Amsterdam, held to celebrate Princess Irene's birthday. Princess Irene is the aunt of King Willem-Alexander. |
