Princess Diana and her brother, Charles Spencer, shared a close relationship from childhood. But, like any siblings, their bond had its complicated moments. The siblings remained close even after Diana married then-Prince Charles in 1981 and became one of the most famous women in the world. Spencer said he felt it was his job to be honest with his sister, rather than simply tell her what she wanted to hear. During a 2020 interview with The Times, he said it was “tricky for her to hear anything except how marvellous life was – but I thought that was my duty.” However, their relationship was not always easy. After Diana’s separation from the prince, she hoped to move into a home on the Spencer family estate at Althorp. In his 2026 memoir, ‘Swan Song: Diana, My Sister’, Spencer explained why he felt the property she wanted was too exposed for someone facing constant media attention. Instead, he suggested other options. This disagreement reportedly created some tension between them in the years before her death.
LONDON — British shoppers snapped up copies of a memoir by the brother of Princess Diana on Tuesday after their interest was piqued by incendiary allegations about her troubled marriage to the now-king, including the claim he was "giddily elated" at her death.
Charles Spencer, who delivered a much-lauded eulogy at the 1997 funeral of his sister, sparked global headlines with a book that accuses the then-Prince of Wales of sounding like a "lottery winner" in the hours after her death.
Buckingham Palace hit back immediately, saying the king was "mindful that the pain of fraternal grief can cloud reason, judgment and memory," as it sought to prevent the king from being dragged back into one of the royal family's most damaging periods.
The book, "Swan Song: Diana, My Sister," was released in Britain on Tuesday, where allegations contained in pre-released excerpts dominated newspaper front pages for almost a week, helping send it straight to the top of the bestseller list on Amazon.
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Copies of Princess Diana's brother Charles Spencer's book "Swan Song: Diana, My Sister" are displayed Tuesday at Waterstones bookshop in London.
Outside a central London bookshop, Chris Imafidon, 71, said he bought a copy after being intrigued by some of the allegations, which he did not see as credible.
"There's a desire for one to be protective of your sister," he said.
For others, Diana, one of the most photographed women in the world, remains an icon, and the appeal of the "People's Princess" endures 29 years after she died in a car crash.
"I just hope to hear more about her life with her family, growing up, and with her children," said Mary Scheible, 69.
Spencer said he wrote the book to set the record straight and because it was his duty "as an eyewitness to history."
He said in the book that he spoke to Charles shortly after Diana's death was confirmed.
"Unlike my other callers, who were stunned, barely able to articulate their condolences and offers of help, he sounded giddily elated — like a lottery winner, I remember thinking at the time," he wrote, according to excerpts.
Copies of Princess Diana's brother Charles Spencer's book "Swan Song: Diana, My Sister" are displayed Tuesday at Waterstones bookshop in London.
"Looking back now, I suspect the prince's first reaction must have been to think more of how this event might free him to marry the woman he loved, rather than appreciating the loss of one he did not."
Diana was just 20 when she married the heir-to-the-throne Prince Charles in 1981, a fairy tale wedding watched around the world. They had two children, William and Harry, but the relationship soon soured and they divorced in 1996.
That was a year after Diana told the BBC that "there were three of us in this marriage, so it was a bit crowded" in reference to Charles' relationship with Camilla Parker Bowles, whom he married in 2005.
Spencer describes his book as an intimate, loving and honest portrait of his sister, who he said became a global icon overnight.

