King Charles at church on Christmas on December 25, 2023; Kate Middleton at Wimbledon on July 4, 2023.Photo:Samir Hussein/WireImage; Clive Brunskill/Getty Images

King Charles III and Queen Camilla attend the Christmas Morning Service ; Catherine, Princess of Wales

Samir Hussein/WireImage; Clive Brunskill/Getty Images

Kate Middletonmay have missed Easter with the royal family as she receivescancer treatment, butKing Charlesreceived well wishes on his daughter-in-law’s behalf as he stepped out for the holiday.

The King andQueen Camillatook part in asurprise walkaboutafter church at St. George’s Chapel at Windsor Castle on Sunday, where one well-wisher shared words of support for Princess Kate.

King Charles, 75, is also undergoingtreatment for cancer, a diagnosis that Buckingham Palace announced on Feb. 5, making this an unprecedented time for the British royal family as two senior members have cancer.

King Charles and Queen Camilla meet members of the public after Easter church on March 31, 2024.Hollie Adams - WPA Pool/Getty Images

King Charles III and Queen Camilla greet people after attending the Easter Matins Service at St. George’s Chapel, Windsor Castle

Hollie Adams - WPA Pool/Getty Images

The monarch shared apositive outlookabout his health on Sunday while meeting another member of the public after the Easter Mattins Service.

“Get well soon, Your Majesty,” a woman told the King as she shook his hand. With a slight smile, King Charles replied, “I’m doing my best!”

As King Charles and Princess Kate, 42, both navigate their cancer diagnoses, they have each other for support. The pair met up for aprivate lunchon March 21, just one day before Kate revealed her health update to the world.

“He has always had a very good bond with her. I don’t think it is presumptuous to say that she is like the daughter he never had,” royal biographer Sally Bedell Smithtells PEOPLEexclusively in this week’scover story. “He shares with William an impulse to protect her. They are in this together, Kate and the King.”

Buckingham Palace said that the monarch was “so proud of Catherinefor her courage in speaking as she did” to announce her cancer news.

King Charles and Kate Middleton at the premiere of No Time to Die on Sept. 28, 2021.Chris Jackson/Getty

Britain’s Prince Charles, Prince of Wales (L) kisses Britain’s Catherine, Duchess of Cambridge as they arrive for the World Premiere of the James Bond 007 film “No Time to Die” at the Royal Albert Hall in west London on September 28, 2021.

Chris Jackson/Getty

The contingent didn’t include Princess Kate andPrince William, who were not expected to step out for the holiday church service with their kidsPrince George, 10,Princess Charlotte, 8, andPrince Louis, 5, like they have in past years.

King Charles and Queen Camilla attend Easter church service on March 31, 2024.Chris Jackson/Getty

WINDSOR, ENGLAND - MARCH 31: King Charles III and Queen Camilla attend the Easter Mattins Service at Windsor Castle on March 31, 2024 in Windsor, England.

Easter fell nine days after Princess Kate released a personal video message to announce that she is receiving cancer treatment, and her family likely spent the weekendprivately at home. Princess Kate referenced her husband and children multiple times in herself-written speech, giving insight into how her young family has been top of mind during this time.

The Princess of Wales said that she and William took time to “explain everything to George, Charlotte and Louis in a way that is appropriate for them” and asked for “time, space and privacy” for her family as she completes treatment. Kate explained that she was receiving “preventative chemotherapy” after tests following herabdominal surgeryin January “found cancer had been present.”

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“My work has always brought me a deep sense of joy, and I look forward to being back when I am able, but for now I must focus on making a full recovery,” Kate said from her seat on a bench in the garden of Windsor Castle before a row of bright yellow daffodils,a symbol of hopefor those facing cancer.

source: people.com