Buckingham Palace has revealed a guest list of 30 people who will make up the congregation at the Duke of Edinburgh's funeral service on Saturday.
More than 800 people were supposed to attend a "no-fuss" funeral for Prince Philip.
Princes Charles, Andrew, Edward and Princess Anne, as well as grandsons Princes William and Harry, will follow a Land Rover hearse in a procession to St George's Chapel, Windsor.
Those attending will wear morning coats with medals, or day dress, but not military uniform.
The congregation will put on masks and socially distance in line with Covid lockdown rules, with the Queen seated alone.
The remembrance service will retain the colourful traditions of a royal funeral and "are a reflection of The Duke's military affiliations and personal elements of his life.
Other guests include the Duchess of Cornwall and the Duchess of Cambridge, all of the duke's grandchildren and their spouses, the children of the Queen's sister Princess Margaret, and Bernhard, the Hereditary Prince of Baden; Donatus, Prince and Landgrave of Hesse; and Prince Philipp of Hohenlohe-Langenburg.
The Countess Mountbatten of Burma, previously known as Lady Romsey and later Lady Brabourne, who was Philip's carriage driving partner and one of his closest friends will also be in attendance.
The 67-year-old countess is the wife of Earl Mountbatten, Norton Knatchbull - the grandson of Prince Philip's uncle the 1st Earl Mountbatten, who was killed by the IRA in 1979.
Buckingham Palace said the Queen faced "some very difficult" decisions in selecting the guests permitted under Covid rules, from original plans for a 800-strong congregation, adding she wanted all branches of her husband's family to be represented.
Funeral officials and pallbearers aren't included in the 30-person limit, but Queen Elizabeth had final approval over the 30 guests who will sit inside St George's Chapel.
The palace spokesman said the family was "grateful" for the condolence messages sent from across the globe.
"The tributes received from young and old are truly a testament to the remarkable life and lasting endeavours of His Royal Highness," he added.
Over 700 Armed Forces personnel from the Royal Navy, Royal Marines, British Army and Royal Air Force will provide ceremonial support during the funeral.
The procession to the chapel will be headed by the Band of the Grenadier Guards, followed by the the Major General's party and military service chiefs.
Royals who are not involved in the procession such as the Duchess of Cornwall and Duchess of Cambridge will join the 94-year-old monarch to watch the funeral parade outside the chapel's Galilee Porch. This also includes blood relatives from the Duke's side who will be in attendance including Philip's great nephews, the Hereditary Prince of Baden and the Prince of Hohenlohe-Langenburg.
Vice Admiral Sir Tim Laurence and the Earl of Snowdon will be in the next row, trailed by members of the duke's household staff.
The Queen will travel with a lady-in-waiting in the state Bentley at the end of the procession, and enter the chapel by a side door
Prince Philip died at Windsor Castle on Friday 9 April aged 99. His body is now resting in the private chapel at the castle.
On the day of the funeral, the coffin will be moved to the State Entrance of Windsor Castle. It will be placed on the modified Jaguar Land Rover, that the duke himself helped design, to be carried the short distance to St George's Chapel.
During the service, a choir of four will sing music selected by Philip for the occasion. They will be seated in the nave, socially distanced from the assembled family members and close aides.
The funeral will be conducted by the Dean of Windsor, with the Archbishop of Canterbury pronouncing the blessing.
Following the service, the coffin will be lowered in the Royal Vault below the chapel as the choir sings the national anthem.
Full guest list
The Prince of Wales
The Duchess of Cornwall
The Duke of Cambridge
The Duchess of Cambridge
The Duke of Sussex
The Duke of York
Edoardo Mapelli Mozzi
The Earl of Wessex
The Countess of Wessex
Lady Louise Windsor
The Princess Royal
Vice Admiral Sir Timothy Laurence
Earl of Snowdon
Lady Sarah Chatto
Duke of Gloucester
Duke of Kent
Bernhard, Hereditary Prince of Baden
Prince Donatus, Landgrave of Hesse
Prince Philipp of Hohenlohe-Langenburg
The Countess Mountbatten of Burma