Kate, the Princess of Wales, has finished chemotherapy and will return to limited public duties

LONDON (AP) — Kate, the Princess of Wales, has completed chemotherapy and will make some public appearances in the coming months, bolstering Britain’s royal family after it was rocked by the twin cancer diagnoses of the princess and King Charles III.

The 42-year-old wife of Prince William released a video Monday in which she appeared alongside her husband and children as she described how difficult the past nine months have been for her family and expressed “relief” at completing her course of treatment.

“Life as you know it can change in an instant, and we have had to find a way to navigate the stormy waters and road unknown,’’ she said in the video, which was shot in a woodland near the family’s summer home in Norfolk. “The cancer journey is complex, scary and unpredictable for everyone, especially those closest to you. With humility, it also brings you face to face with your own vulnerabilities in a way you have never considered before, and with that, a new perspective on everything.”

The royal family has been buffeted by health concerns this year, beginning with the announcement in January that the king would receive treatment for an enlarged prostate and Kate would undergo abdominal surgery. In February, Buckingham Palace announced Charles was receiving treatment for an undisclosed type of cancer. Six weeks later, Kate said she, too, was undergoing treatment for cancer, quieting the relentless speculation about her condition that had circulated on social media since her surgery.