Princess Diana's brother takes aim at King Charles in new book — here are 7 of the biggest takeaways

Read the original at Toronto Star ↗
Toronto Star · collected 2026-09-23 · by Sarah Laing

Quick Summary

Charles Spencer, brother of Princess Diana, has released a memoir titled "Swan Song" that includes controversial claims about King Charles III. Buckingham Palace issued a rare pre-publication statement in response, questioning the accuracy and context of Spencer's allegations. The book asserts that Prince Charles sounded elated immediately after Diana’s death and allegedly said “we’ll forget her soon enough” before her funeral, prompting Spencer to describe Charles as resentful and petty.
Written locally by qwen2.5:14b on 2026-09-23, using this article's own text rather than the other coverage of the same event (that is the story summary below).

AI analysis runs on qwen2.5:14b, locally

Story summary

Experts suggest that Earl Spencer felt a duty to write his memoir about Diana's life. In the book, he makes explosive claims against King Charles, alleging that shortly after Princess Diana’s death in 1997, then-Prince Charles said "we’ll forget her soon enough." This prompted Buckingham Palace to issue a statement saying His Majesty is mindful that fraternal grief can cloud judgment and reason.

Spencer accused the king of gaslighting him when the palace responded by questioning his recollections. He called the palace's defense a "rather poor imitation" of how Queen Elizabeth II handled similar allegations from Prince Harry in their Oprah interview.

The book also includes details about an alleged row over Diana’s funeral arrangements where King Charles reportedly went ballistic, criticizing Spencer's family for not fulfilling their duties adequately enough. Buckingham Palace did not comment on the specifics of these claims but suggested that grief could affect memory accuracy over time.

Earl Spencer told BBC he wanted to put down truths before it was too late due to his awareness of mortality. He added that there are other facts about King Charles he chose not to include in the book, deeming them irrelevant.

Written for “Diana Controversies Royal Family” on 2026-10-04, grounded in this article and the 92 other(s) covering the same event.

Signals How these are calculated →

Claims extracted
50
claim-shaped sentences
Uncertain
28%
14 of 50 hedged
Leaning
Leans left
of the writing, not the subject · beta estimate
Correction & hedging signals
63.3
corrections and hedging in what we collected; not a measure of accuracy
Outlets on this story
93
Politics
Narrative spread
1
articles carrying this framing
Analyzed 2026-09-23 · how these are computed

Story

📰 Diana Controversies Royal Family
Politics · 93 article(s) covering the same event. See how they differ ↓

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Compared with similar articles

This article reads leans left and hedges 28% of its claims. Each row says how that neighbour differs.
New York Post · 0.91 cosine similarity
⚖️ leaning not scored 🔴 42% hedged 25 of 59 📰 publisher trust 64
“Both articles discuss Charles Spencer releasing a memoir and Buckingham Palace issuing a statement before its publication.”
BBC News
⚖️ leaning not scored 🔴 10% hedged 5 of 51 📰 publisher trust 78
“Both articles discuss Earl Spencer's memoir about Princess Diana and the royal family's reaction to it, indicating they are reporting on the same publication and response.”
Fox News
⚖️ leaning not scored 🔴 7% hedged 5 of 69 📰 publisher trust 69
“Both articles discuss the release of Charles Spencer's book 'Swan Song' and the reaction it has provoked within the royal family on the same day.”
Toronto Star · 0.91 cosine similarity
⚖️ Leans left 🔴 8% hedged 2 of 26 📰 publisher trust 63
“Both articles discuss the release of Charles Spencer's new book on the same day, which includes controversial allegations against King Charles III and prompted a reaction from Buckingham Palace.”
NPR · 0.87 cosine similarity
⚖️ Leans left 🔴 7% hedged 2 of 27 📰 publisher trust 60
“Both articles refer to the release of Charles Spencer's book 'Swan Song' on the same day, which prompted reactions from King Charles III and Buckingham Palace.”
CBS News
⚖️ leaning not scored 🔴 67% hedged 2 of 3 📰 publisher trust 66
“Both articles discuss Charles Spencer releasing a new book making claims against King Charles regarding Princess Diana's death, covering the same specific incident and publication.”
New York Post
⚖️ leaning not scored 🔴 29% hedged 7 of 24 📰 publisher trust 64
“The articles discuss different aspects of Charles Spencer's book and its reception; Article A focuses on a specific claim about Prince Harry, while Article B discusses the broader impact and reaction to the entire book.”
Evening Standard
⚖️ leaning not scored 🔴 38% hedged 5 of 13 📰 publisher trust 68
“Both articles discuss Earl Spencer's release of a memoir about Princess Diana and the subsequent reaction from Buckingham Palace.”
Evening Standard
⚖️ leaning not scored 🔴 32% hedged 6 of 19 📰 publisher trust 68
“Both articles discuss Earl Spencer's new memoir about his sister Diana and the reaction from Buckingham Palace, clearly referring to the same publication and incident.”
Evening Standard
⚖️ leaning not scored 🔴 27% hedged 6 of 22 📰 publisher trust 68
“Both articles discuss Earl Spencer's new memoir about his sister Diana and the reaction from Buckingham Palace, clearly referring to the same publication event.”

Publisher

Toronto Star · 5172 article(s) · 17 correction(s) detected
Running correction rate · 17 correction(s)
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Who wrote this

Sarah Laing
5 article(s) here · 1 carrying a prediction
🔮 “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,” Spencer writes.
🔮 Like everyone who couldn’t get their hair done during the pandemic, she was eager to go back to the salon when restrictions were lifted.
🔮 They might do a talk about their post-school experience, mentor current students or volunteer on campus.
🔮 “We recognize that AI will continue to evolve in ways we cannot fully predict,” he said.
2026-09-18 · assertive framing · Teaching digital citizenship in the age of AI
🔮 And also, some people might find their own gender attractive as well,” she said.
Also by Sarah Laing
Nothing else under this byline is closely related to this article, so these are simply their most recent.

Topics

BBC Buckingham Palace Good Morning America Paris the Daily Mail

Subjects

Charles PERSON · 11× Diana PERSON · 9× Spencer PERSON · 9× Charles Spencer’s PERSON · 2× BBC ORG · 1× Buckingham Palace ORG · 1× Good Morning America ORG · 1× Paris GPE · 1× Prince Harry PERSON · 1× the Daily Mail ORG · 1×

Narrative

Before it even hit shelves yesterday, Charles Spencer’s “Swan Song,” a memoir about his sister, Diana, former Princess of Wales, stirred a rare reaction from King Charles’s camp — something that didn’t even occur when Prince Harry released his no-dirty-laundry-unaired autobiography, ”Spare,” in 2023.
framing: mixed · carried by 1 article(s) · first seen 2026-09-23
🔮 “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,” Spencer writes.

Claims (50 extracted, 14 hedged)

You know a book is controversial when Buckingham Palace issues a pre-emptive, pre-publication statement about it. asserted
Palace → know → it
Princess Diana‘s younger brother has just released a memoir full of headline-making bombshells about his famous sister, prompting the palace to get ahead of its release. asserted
brother → release → release
Before it even hit shelves yesterday, Charles Spencer’s “Swan Song,” a memoir about his sister, Diana, former Princess of Wales, stirred a rare reaction from King Charles’s camp — something that didn’t even occur when Prince Harry released his no-dirty-laundry-unaired autobiography, ”Spare,” in 2023. asserted
Harry → hit → 2023
“While we do not comment on books as a matter of principle,” the palace said in a statement, “His Majesty is mindful that the pain of fraternal grief can cloud reason, affect judgment and colour memory in ways others do not recognize, even many years after such a loss.” asserted
others → comment → loss
The statement was released in response to claims made in excerpts published in the Daily Mail last week, in which Spencer says that then Prince Charles sounded “giddily elated — like a lottery winner” in a phone call immediately after Diana died in a car crash in Paris on Aug. 31, 1997. uncertain
Diana → release → Aug.
“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,” Spencer writes. uncertain
Spencer → look → one
“It can be hard to feel too much sympathy for an ex-spouse, or those who care for them profoundly, after bitter divorce.” asserted
who → feel → divorce
The excerpts also included one of the most shocking claims in the book, that during a heated phone conversation before Diana’s funeral, Charles “hissed”: “Rest assured, we’ll forget her soon enough.” uncertain
we → include → her
Spencer says he saw it as his ex-brother-in-law’s “pent up contempt” for Diana finally coming out, and “his horror that the world was so bowled over by her death.” asserted
world → say → death
Spencer — who told the BBC that this book really is his “last word” on his famous sister — addressed the palace’s statement in an interview with Good Morning America on Monday, saying he felt “gaslit” by the King while noting “it doesn’t say that he didn’t say it either.” asserted
he → tell → it
In an interview with People, Spencer — after claiming that he didn’t want it to sound “loaded” — said that if he had wanted to write a “scandalous” book about the King, he has enough material to make it a “jaw dropper,” but he’s chosen not to. asserted
he → claim → material
Now that it’s out, here are seven more explosive claims in Charles Spencer’s “Swan Song.” uncertain
claims → ’ → Song
He paints an unflattering portrait of King Charles Along with contempt for the media, whom he firmly believes killed his sister through its relentless, unprincipled pursuit of her, Spencer expresses vitriol for King Charles and paints him as a petty, resentful man. asserted
Spencer → paint → man
A selection of the disparaging details he shares: unsubstantiated claims that, around the time of Diana’s death, then Prince Charles wanted his mother to abdicate; a memory of Charles saying, “You’re just so lucky to have inherited so young” after Spencer’s father’s death five years earlier; the queen telling him once that Charles “always resents things.” uncertain
Charles → share → things
He recalls Charles’s lack of generosity when Diana tried to give him some random household objects — hangers and tin cups — for his student digs, but the future king intervened because they were his. asserted
they → recall → digs
Diana truly loved Charles — but he did not return the feeling asserted
he → love → feeling
Spencer emphasizes that his sister truly fell in love with Charles “the person,” and was smitten from the first, mixed with a tenderness for his lonely childhood. asserted
sister → emphasize → childhood
“I felt reassured that my sister’s love for the heir to the throne was not only true, but almost palpable.” asserted
love → feel → throne
At the same time, he notes that Charles and Diana’s first public outing as a couple was watching the Prince race a horse, the future Princess cheering him on alongside Camilla Parker-Bowles. asserted
Princess → note → Bowles
There were also early signs of trouble: Spencer claims that Diana tried to pull out of the wedding, writing that she told their father she “could not go through with marriage to a man who did not love her” after Charles ignored her all night at a party. uncertain
Charles → be → party
Her father was “appalled,” and said she could not back out because it would be “deeply embarrassing” to the royals. uncertain
it → say → royals
On her wedding day, Spencer says he learned later, she had asserted
she → say → day
a “wistful sadness” because the evening before Charles had said “he was very happy to marry her, but was not actually in love with her asserted
he → say → her
He says that there was serious discussion of a “separation” quite early on, and that later she took her brother to lunch and said she wanted a divorce, claiming “my husband is in love with his valet.” asserted
husband → say → valet
Spencer calls this “improbable,” noting it was more significant as a mark of “the end of her dreams.” asserted
it → call → dreams
Diana would not have wanted Princes William and Harry to walk in her funeral procession One of the most striking images from Diana’s funeral was the sight of her two sons walking behind her coffin through the streets of London. asserted
sons → want → London
Spencer says that he fought this choice, claiming his sister would never have wanted this “public ordeal.” asserted
sister → say → ordeal
When Charles phoned him about his objections, Spencer claims he was “testy” and launched into a long rant about how Diana’s kin had “no sense of duty,” claiming he’d had to do it himself at his uncle’s funeral. uncertain
he → phone → funeral
(At 30, Spencer pointed out.) asserted
Spencer → point → 30
Another damning detail: According to Spencer, Charles insisted on walking in Diana’s funeral procession, but fearing the public would hurl abuse at him, the palace wanted the boys there as a shield. uncertain
palace → accord → shield
He refutes claims of Diana’s unhappy childhood Spencer notes that any “snippets” of biographies about Diana that he’s come across have been “notable for their inaccuracy,” and one of his motivations for writing this now is to correct the “invention and lazy half-truth” out there. uncertain
one → refute → invention
One area he starts with is their childhood, claiming that any stories — presumably even Diana’s own accounts of the pain of her parents’ divorce and everything that followed — that claim she was an unhappy child are false. uncertain
she → start → divorce
In fact, Spencer says she was “the secure recipient of strong parental love, mainly in a warm and loving parental home.” asserted
she → say → home
Certainly, a large portion of the book is dedicated to their shared childhood, and Spencer fills it with mostly fond memories about growing up together, navigating their parent’s separation as the two youngest shuttled between homes. asserted
youngest → dedicate → homes
A scene that stands out from this period: Diana sitting on the front step of their family home, waiting for her mother’s return that never came. asserted
that → stand → return
Queen Elizabeth and Diana’s father had a budding romance Spencer spills a long-held family secret — albeit not about people you may have been suspecting. uncertain
you → have → people
The late queen and his father apparently had a romance that was cut off by Lord Mountbatten, who wanted his nephew Prince Philip in that role instead. asserted
nephew → have → role
Their father, Johnnie Spencer, required “significant counselling” after this forced split, although Spencer does note the irony that had this relationship blossomed, neither King Charles nor Diana would have existed. asserted
Charles → require → irony
His sister was “full of self-doubt,” possibly neurodivergent Spencer posits that Diana had “key symptoms associated with ADHD,” notably a short attention span. uncertain
Diana → posit → ADHD
He says her undiagnosed, unsupported “learning difficulties” made school the “most difficult times” of her childhood; Spencer vividly recalls the “screech of pain” when she learned that she had failed a key set of exams in high school. asserted
she → say → school
…and 10 more, not listed.
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