Prince Philip, Queen Elizabeth II’s husband, has passed away at the age of 99. The Royal Family released a statement earlier today breaking the news on their website.

The Duke of Edinburgh was the longest-serving consort to a reigning British monarch in history, marrying the Queen in 1947, prior to her coronation in 1952. “It is with deep sorrow that Her Majesty The Queen announces the death of her beloved husband, His Royal Highness The Prince Philip, Duke of Edinburgh,” the announcement read. In keeping with tradition, a framed notice containing the same was also placed on the railings outside Buckingham Palace.

Several notable figures, both British and international, have expressed their condolences to the Royal Family. Harry and Meghan, recently in the news for their revelatory interview with Oprah Winfrey about life as royals, took down their Archewell website and replaced it with a condolence message for the Duke, writing, “thank you for your service…you will be greatly missed.” Harry will most likely be visiting the UK to attend his grandfather’s funeral.

The Duke was known for his down to earth nature and his sarcastic wit and caustic remarks, often making jokes and remarks. He was a great patron of the environment, education, and especially sports, a capable polo player and someone who’d helped develop the sport of carriage driving. He was also the Chairman of the Duke of Edinburgh Award, a self-improvement program created to benefit those aged 14 to 24.

There is no news yet as to the cause of death, although the Palace stated that he died “peacefully.” The Duke died almost two months shy of his 100th birthday. “His Royal Highness passed away peacefully this morning at Windsor Castle,” the statement further reads. “Further announcements will be made in due course. The Royal Family join with people around the world in mourning his loss.”

Our sympathies are with the Royal Family at this time. May he rest in peace.