Although technically following her divorce from the Prince of Wales in 1996, Diana, Princess of Wales was no longer a member of the Royal Family, and as such not entitled to a state or ceremonial funeral, the large outpouring of public grief following her death led then-Prime Minister Tony Blair to recommend a ceremonial funeral because she was the mother of Princes William and Harry, who were then respectively second and third in the line of succession to the British throne.

Diana mel ceremonialni pohreb, pac byla matkou nasledniku trunu

byl o tom natocen cely film, viz zde:
https://www.csfd.cz/film/222331-kralovna/prehled/