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King Charles III, speaking to his nation and the commonwealth for the first time as Britain's sovereign, announced that his son William will have the title of prince of Wales, a title he held before he became king.

The title is traditional borne by the heir to the throne.

As the spouse of the prince of Wales, Kate Middleton will now hold the title of princess of Wales.

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King Charles III speaks from Buckingham Palace after Queen Elizabeth's death

Britain's King Charles III delivers his address to the nation and the Commonwealth from Buckingham Palace, London, Friday, Sept. 9, 2022, following the death of Queen Elizabeth II on Thursday.  (Yui Mok/Pool Photo via AP)

Charles, who became the king of England following the death of his mother Queen Elizabeth II, also mentioned his other son Harry, expressing "love" for him and Meghan "as they continue to build their lives overseas."

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Queen Elizabeth II, Britain's longest-reigning monarch who served as the beloved face of her country and source of strength for seven decades, died Thursday at Balmoral Castle in Scotland. She was 96.

The new king also touched on Queen Consort Camilla's "steadfast devotion to duty" that he "relies on."

Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex, Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge on the balcony of Buckingham Palace

King Charles III mentioned his two sons, Princes William and Harry, as well as their wives, Meghan Markle and Kate Middleton, in his first address to since ascending the throne. (Anwar Hussein/WireImage)

Charles called Queen Elizabeth an "inspiration" and an "example" for him.

He noted that his mother made a promise to live a life of service to the UK and Commonwealth on her 21st birthday.

"That was more than a promise," the new king admitted. "It was a profound personal commitment which defined her whole life. She made sacrifices for duty. her dedication, and devotion were sovereign never wavered through change and progress sadness and loss.

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King Charles III arrived to Buckingham Palace on Friday to a massive crowd. He and Queen Consort Camilla traveled back to London a day after the death of Queen Elizabeth II.

He got out of the car to greet well-wishers and look at some of the huge pile of floral tributes left to honor his mother Queen Elizabeth II. Some called "Thank you Charles" and "Well done, Charlie!" as he shook hands with the crowd.

A few broke into a rendition of Britain’s national anthem, which is now titled "God Save the King."