Princess Eugenie and August Brooksbank.Photo: Chris Jackson - WPA Pool/Getty

LONDON, ENGLAND - JUNE 05: Princess Eugenie of York, August Brooksbank, Jack Brooksbank, Birgitte, Duchess of Gloucester, Lord-Lieutenant of Greater London Ken Olisa during the Platinum Pageant on June 05, 2022 in London, England. The Platinum Jubilee of Elizabeth II is being celebrated from June 2 to June 5, 2022, in the UK and Commonwealth to mark the 70th anniversary of the accession of Queen Elizabeth II on 6 February 1952. (Photo by Chris Jackson - WPA Pool/Getty Images)

August Brooksbank is getting into the Jubilee spirit with his first-ever royal appearance!

Queen Elizabeth’s great-grandson, 1, made his royal debut alongside parentsPrincess Eugenieand Jack Brooksbank at the Platinum Jubilee Pageant in London on Sunday.

Eugenie and Jack welcomed their first child in Feb. 2021. He is the ninth great-grandchild for the Queen andPrince Philip, and the first grandchild for Eugenie’s parents. AlthoughPrincess Eugeniehas shared a number of photos of August on Instagram, she has been careful not to show his face.

Princess Eugenie and Jack Brooksbank with August.Chris Jackson - WPA Pool/Getty

LONDON, ENGLAND - JUNE 05: Princess Eugenie of York, August Brooksbank, Jack Brooksbank, Birgitte, Duchess of Gloucester, Lord-Lieutenant of Greater London Ken Olisa during the Platinum Pageant on June 05, 2022 in London, England. The Platinum Jubilee of Elizabeth II is being celebrated from June 2 to June 5, 2022, in the UK and Commonwealth to mark the 70th anniversary of the accession of Queen Elizabeth II on 6 February 1952. (Photo by Chris Jackson - WPA Pool/Getty Images)

Eugenie’s sister,Princess Beatrice, and Beatrice’s husband, Edoardo Mapelli Mozzi, brought Mapelli Mozzi’s son from a previous relationship to enjoy the festivities. Christopher Woolf, known as “Wolfie,” stepped out for his first royal event. The couple left their daughter, 8-month-oldSienna Elizabeth, at home.

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Beatrice and Edoardo’s July 2020 wedding (where Wolfiehad the important role of pageboy!) marked the first time since Camilla, Duchess of Cornwall marriedPrince Charlesin 2005 that a member of the British royal family stepped into the position of stepmother. Beatrice is the first of her generation — and first grandchild of the monarch — to do so.

“Beatrice is a wonderful and very hands-on stepmom,” a sourcepreviously told PEOPLE.

Princess Beatrice, Princess Eugenie, Wolfie and Edoardo Mapelli Mozzi.Ben Stansall - WPA Pool/Getty

LONDON, ENGLAND - JUNE 05: Princess Beatrice of York, Princess Eugenie of York and Edoardo Mapelli Mozzi arrive to attend the Platinum Pageant on June 05, 2022 in London, England. The Platinum Jubilee of Elizabeth II is being celebrated from June 2 to June 5, 2022, in the UK and Commonwealth to mark the 70th anniversary of the accession of Queen Elizabeth II on 6 February 1952. (Photo by Ben Stansall - WPA Pool/Getty Images)

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Prince Louis, Princess Charlotte and Prince George.Chris Jackson - WPA Pool/Getty

LONDON, ENGLAND - JUNE 05: (L-R 2nd Row) Victoria Starmer, Keir Starmer, Lena Tindall, Zara Tindall, (front row) Prince Louis of Cambridge, Princess Charlotte of Cambridge, and Prince George of Cambridge watch the Platinum Pageant on June 05, 2022 in London, England. The Platinum Jubilee of Elizabeth II is being celebrated from June 2 to June 5, 2022, in the UK and Commonwealth to mark the 70th anniversary of the accession of Queen Elizabeth II on 6 February 1952. (Photo by Chris Jackson - WPA Pool/Getty Images)

Mia, 8, and Lena Tindall, 3 — the daughters of Zara Tindall, Princess Anne’s daughter — also enjoyed the spectacle of 10,000 performers celebrating on the streets of London drawn from across the U.K. and Commonwealth and comprised of volunteers, performers, key workers and figures from music, film, sports and the arts.

source: people.com