Princes William and Harry have thanked the many people who have shared in their grief over the death of their mother exactly a year ago.

But they have also asked for privacy on the first anniversary of the death of Diana, Princess of Wales.

The moving tribute to their mother one year ago

The Queen's spokeswoman said: "The Queen and the Royal Family, particularly the Prince of Wales, Prince William and Prince Harry, would like to thank people for their messages and kind gestures of sympathy at this sad time and for sharing their remembrance of the Princess of Wales."

Innumerable messages of condolence have been received by the Royal Family - many via the visitor's book at the British Monarchy's official Website.

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Part of its introduction reads: "The Queen, The Prince of Wales, Prince William and Prince Harry thank all those people who have kindly sent messages of sympathy and support on the first anniversary of the Princess of Wales's death."

The first anniversary of the death of Diana, Princess of Wales is being marked by private services by her family.

Private services

In Scotland, Princes William and Harry will be accompanied by their father Prince Charles and the Queen at a special service.

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Prime Minister Tony Blair and his wife Cherie and their children will also be present on Monday at Crathie church, near Balmoral.

At Althorp, the Spencer family will hold a memorial service at the lakeside overlooking the island where Diana, Princess of Wales is buried.

The timing of this service has not been made public but the earl and his two sisters are expected to attend this private act of worship.

The Northamptonshire estate was closed to the public on Sunday although it is expected that flowers will continue to be laid at its gates from well-wishers.

Mohamed al-Fayed, whose son Dodi died in the same crash as the princess, will attend a private memorial service at his son's tomb in the grounds of the family home at Oxted, in Surrey.

Timetable of key events