‘A national treasure’: some of the best quotes about Prince Philip from friends, family and the Queen

Queen Elizabeth II and Prince Philip, Duke of Edinburgh, arrive to attend a State Banquet in Dublin Castle on May 18, 2011 (Getty Images)

Buckingham Palace has announced that Prince Philip has died aged 99.

The Duke of Edinburgh, who was the longest-serving consort in British history, passed away at Windsor Castle this morning.

A statement from the palace said: “It is with deep sorrow that Her Majesty The Queen has announced the death of her beloved husband, His Royal Highness The Prince Philip, Duke of Edinburgh.

“His Royal Highness passed away peacefully this morning at Windsor Castle.”

The duke has been called a “national treasure” and “fantastic life partner for the Queen”.

Here, we take a look at some of the best quotes about Prince Philip, including what the Queen has said about her husband.

Quotes about Prince Philip

"The Duke of Edinburgh is a national treasure" - Newspaper editorial in 2002 after one of Philip's famous gaffes.

"We owe him a huge debt of gratitude. I always enjoyed his company, especially his BBQs!" - Former prime minister David Cameron on the announcement of the duke's retirement in 2017.

"He has been a fantastic life partner for her. I think it's maybe a fairly lonely job being Queen. As a female in the top job I think to have somebody you can lean on, you can discuss things with, she can be honest with behind closed doors ... I don't think she could have chosen better" - The Countess of Wessex on her father-in-law.

"He makes her laugh because some of the things he says and does and the way he looks at life is obviously slightly different than her, so together they're a great couple" - The Duke of Cambridge on his grandparents in 2012.

"This was the man with whom Princess Elizabeth had been in love from their first meeting" - King George VI's official biographer, Sir John Wheeler-Bennett, on Philip.

"Together, they are invincible." - Princess Eugenie on the Queen and duke.

"Prince Philip is the only man in the world who treats the Queen simply as another human being" - The Queen's former private secretary, Lord Charteris.