Prince William’s first return to royal duties following his father King Charles III’s cancer announcement and Kate Middleton’s hospitalization for abdominal surgery.

The 41-year-old future king thanked the public at a charity gala dinner for their “kind messages of support” after publicly discussing his family’s health problems for the first time. He had presided over an investiture at Windsor Castle earlier in the day.

“The past few weeks have been, shall we say, medically focused, so I figured I’d come to an air ambulance function to escape it all,” he continued in a lighthearted manner.

The queen, a former pilot for air ambulance helicopters, attended the black-tie event where she met other pilots and had conversations with celebrities including Tom Cruise.

The King, Jr., is undergoing treatment for an unidentified malignancy as an outpatient.

Many cancer patients can now undergo treatment and achieve a remission or complete eradication of their disease, according to oncologists.

Following Kate’s operation for an unidentified condition, William took a temporary leave of absence from his public obligations to assist with the care of their three young children. It will likely be April before the former Kate Middleton, now known as the Princess of Wales, returns to her public duties.

Charles has been diagnosed with cancer earlier this week, adding further strain on the royal family. In order to concentrate on his treatment and recuperation, the monarch has decided to cease all public appearances. Although Charles is undergoing treatment for an unknown type of cancer, he will keep up with his administrative duties, such as examining and signing state files.

Sally Bedell Smith, author of “Prince Charles: The Passions and Paradoxes of an Improbable Life,” said, “His absence is putting a lot of pressure on the other members of the royal family, who are certainly up to it.” Having the Princess of Wales, one of the royal family’s shining stars, recovering from surgery only adds to the pressures already there.

As the king continues to recuperate, Prime Minister Rishi Sunak is anticipated to give him a call on Wednesday night to extend his best wishes. It is anticipated that later this month, live audiences will once again begin.

Unfortunately for the House of Windsor, Charles’ illness has come at an awkward time.

The king, who ascended the throne just 17 months ago, has pledged to reduce the cost of the monarchy, in part by keeping a lid on the number of “working royals” whose public duties are supported by taxpayer funds.

But with two of the most visible family members out sick, it will be more challenging for the family to keep up.

In addition to the widely publicized pomp and ceremony of royal processions and state visits, the Windsors attend hundreds of little-known events every year to recognize the accomplishments of the general public and mark local events such as the opening of libraries and community centers. Hundreds of charities cherish royal appearances, which give visibility and credibility to their good work among potential donors.

The 75-year-old king was seen in public for the first time since his cancer diagnosis when he left his offices at Clarence House on Tuesday after a brief reunion with his younger son, Prince Harry.

Harry arrived in London from California less than 24 hours after Buckingham Palace announced the king’s cancer diagnosis. The meeting has raised hopes that the pair can repair their troubled relationship after Harry publicly criticized the royal family for unconscious racism and complained about the way his American biracial wife, former actor Meghan Markle, was treated by palace officials.

Harry and Meghan, once seen as stars of the royal family who could help the Windsors connect with a younger generation, walked away from royal duties in 2020 and now live in California.