The castle is currently home to over 500 residents and staff, from chefs and gardeners to butlers and librarians.

King Charles III and Queen Camilla attend the Easter Mattins service at St George's Chapel in Windsor Castle, Berkshire.

King Charles III and Queen Camilla were joined by other members of the Royal Family at the service in Windsor.

Britain’s King Charles III and his wife Queen Camilla were joined by senior members of the royal family for the Easter Sunday ...

The Duke and Duchess of Edinburgh (left and centre) attend the Easter Mattins service at St George's Chapel in Windsor Castle, Berkshire Kirsty Wigglesworth/PA Wire He quickly entered the chapel ...

The King and Queen Camilla attend the Easter Mattins service at St George’s Chapel in Windsor Castle, Berkshire (Kirsty Wigglesworth/PA) PA Wire The duke has not been pictured at a formal royal ...