Prince Harrywill watch his father be crowned.

The Duke of Sussex, 38, entered Westminster Abbey in London on Saturday for the coronation of his father,King Charles, and stepmother,Queen Camilla. He smiled as he walked in with his cousins,Princess BeatriceandPrincess Eugenie, and their husbands.

Prince Harrywore a morning suitfor the occasion, following the dress code for most of the congregation. PEOPLE understands Harry was requested to wear a morning suit — and that he didn’t make any specific asks regarding his outfit.

He also wore his Afghanistan service medal along with the Golden Jubilee, Diamond Jubilee and Platinum Jubilee medals. Harry also sported his KCVO neck decoration and star.

The Duke of Sussex took his seat in the third row betweenPrincess Eugenie’s husband, Jack Brooksbank, and Princess Alexandra.

Prince Harry.Andrew Matthews - WPA Pool/Getty Images

Prince Harry, Duke of Sussex with Princess Eugenie and Jack Brooksbank at the coronation of King Charles III and Queen Camilla at Westminster Abbey

Prince Harry came to the U.K. for the crowning ceremony without his wifeMeghan Markle, who remained in California with their children,Prince ArchieandPrincess Lilibet. The coronation day is also Prince Archie’s4th birthday, and a source previously told PEOPLE the Duchess of Sussex, 41, will be celebrating her son with a “low-key party at home.”

Though family tensions eventually leadPrince Harryand Meghan to step back from their royal roles in 2020 and relations have remained strained since the release of his memoirSparein January, the Duke of Sussex came to coronation out of duty and love for his father.

Prince Harry.Andy Stenning - WPA Pool/Getty Images

Prince Harry, Duke of Sussex arrives for the Coronation of King Charles III and Queen Camilla at Westminster Abbey

“At the end of the day, he’s going to be there for his dad,” a close friendrecently told PEOPLE.

The coronation service marks Prince Harry’s first public outing with other members of the royal family since the funeral ofQueen Elizabethin September, which Meghan also attended. The couple was in Europe for a series of charitable events when the Queen died atBalmoral Castlein Scotland, hours after her doctors said they were “concerned” for her health. The Duke and Duchess of Sussex extended their trip abroad and remained in the U.K. for thefunerary eventsthat followed before returning home to California.

prince harry king charles coronation

Prince Harrylater made asurprise solo tripto London in March for court hearings that will determine whether his lawsuit against Associated Newspapers for alleged illegal information gathering goes to trial.

PEOPLE understands that Prince Harry informedKing CharlesandPrince Williamthat he would be in the U.K. for the March proceedings, though it’s unlikely that the father and sons got together. King Charles was abroad in Germany for thefirst overseas visitof the new reign, while Prince William spent time his wife,Kate Middleton, and their three children —Prince George, 9,Princess Charlotte, 8, andPrince Louis, 5 — during their school break.

Prince Harry.PHIL NOBLE/POOL/AFP via Getty Images

Prince Harry, Duke of Sussex, arrives at Westminster Abbey in central London

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Whatever happens during Harry’s time in the U.K., “he will look back on it and think it is better to come and play his part and say, ‘I saw my father crowned,’ " a source close to the royal household previously told PEOPLE. “And tell his children about it.”

Prince Harry.RICHARD POHLE/POOL/AFP via Getty Images

Prince Harry, Duke of Sussex talks to Britain’s Princess Anne, Princess Royal at Westminster Abbey

In hisexclusive interview with PEOPLEin January, the Duke of Sussex said he felt like he was “exactly where I am meant to be.”

source: people.com