For the Queen, his presence has been one of steadfast support. His age and health problems have, however, got people wondering what happens when Prince Philip passes away.
Why there'll be no fancy funeral when Prince Philip dies - and what happens next
The Last Dukes (British Aristocracy Documentary) - Real Stories
Wedding of Prince Edward and Sophie Rhys-Jones
Royal Family Members Who Are Poorer Than You Thought
How did the Queen and Prince Philip split their four children into two families?
Sophie Wessex | Queen's Favorite Daughter-in-law | Unseen Video
The Royal Wedding of Prince Edward & Katharine at York Minster (1961) | British Pathé
Lady Louise Windsor: Interesting facts about the Queen's granddaughter you didn't know
