Prince WilliamandPrince Harrywill lead their cousins in a solemn vigil atQueen Elizabeth’s lying-in-state on Saturday, PEOPLE has confirmed.

William, 40, and Harry, 38, will stand at opposite ends of the Queen’s coffin at Westminster Hall and will be wearing military uniforms “at the King’s request,” according to a palace source.

The decision was made withoutPrince Harryrequesting a change, PEOPLE has learned. The Duke of Sussex was prepared to wear whatever was asked. His focus is on honoring his grandmother.

On Wednesday, Harry and Prince Andrew both wore morning suits during the solemn procession of the late Queen’s coffin fromBuckingham Palaceto Westminster Hall.

Queen Elizabeth lying in state.CHRISTOPHER FURLONG/POOL/AFP via Getty

Britain’s Queen Elizabeth II Lies in State on a Catafalque inside an empty Westminster Hall, at the Palace of Westminster, in London on September 14, 2022, ahead of the public being allowed in to pay their respects. - Queen Elizabeth II will lie in state in Westminster Hall inside the Palace of Westminster, from Wednesday until a few hours before her funeral on Monday, with huge queues expected to file past her coffin to pay their respects.

The two men did wear military medals on their suits in recognition of their military service, however, which in Prince Andrew’s case included a medal for serving as a helicopter pilot in the Falklands War in 1982. In total, the Duke of York spent 22 years in the Royal Navy.

Prince William and Prince Harry at the unveiling of a Princess Diana statue in London on July 1, 2021.Alamy Stock Photo

The Duke of Cambridge and Duke of Sussex arrive for the unveiling of a statue they commissioned of their mother Diana, Princess of Wales

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Prince William and Prince Harry.Chris Jackson/Getty Images

Prince William, Prince of Wales and Prince Harry, Duke of Sussex walk behind the coffin during the procession for the Lying-in State of Queen Elizabeth II

Harry will stand at the foot of the coffin alongsidePrincess BeatriceandPrincess Eugenie. Their other cousins Lady Louise Windsor and Viscount Severn will stand at the middle of the coffin.

The vigil takes place a day after the ‘Princes’ Vigil' of King Charles III,Princess Anne,Prince AndrewandPrince Edward. At that vigil, Andrew is also being permitted to wear a uniform despite not being a working member of the royal family.

“The grandchildren, at the King’s invitation, are very keen to pay their respects – just as their parents are doing the evening before,” a royal source says.

The Queen, who died on September 8 at age 96 in Scotland, made her last journey from Buckingham Palace to Westminster Hall on Wednesday.

Prince Harry.MARCO BERTORELLO/AFP via Getty Images

Prince Harry, Duke of Sussex walks behind the coffin of Queen Elizabeth II, adorned with a Royal Standard and the Imperial State Crown and pulled by a Gun Carriage

The procession included her four children and several of her grandchildren, includingPrince William,Prince Harryand Peter Philips.

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source: people.com