Hereditary Grand Duke Guillaume celebrates his 40th birthday on 11 November 2021. Prince Guillaume, Prince of Nassau, eldest son of the Grand Duke and the Grand Duchess, was born on 11 November 1981 at the Grande-Duchesse Charlotte Maternity Hospital. On the occasion of the birthday, an official portrait of Prince Guillaume and new family photos showing the Prince with Hereditary Princess Stephanie and Prince Charles were released. Princess Stephanie's outfit is from Belgian fashion house Natan.
