The late Queen Elizabeth II was reportedly angry at Prince Harry and his wife Meghan Markle over their daughter's name. 

According to Page Six, that claim was put forward in "Charles III: New King. New Court. The Inside Story," a new biography written by royal expert Robert Hardman.

Aide says queen was "as angry as I'd ever seen her"

At issue was Harry and Meghan publicly stating that they had spoken with Harry's grandmother about naming their daughter Lilibet, which had been the queen's childhood nickname.

One unnamed royal aide was quoted as saying that the elderly monarch was "as angry as I'd ever seen her" after hearing the news.

Those words echoed a report from BBC royal news correspondent Jonny Dymond, who publicized the revelation on social media.

BREAKING Palace source tells BBC that the Queen was not asked by Meghan and Harry over the use of her childhood nickname; reports suggested Harry had sought permission from Queen to call newborn ‘Lilibet’; but Palace source says the Queen was ‘never asked’

— Jonny Dymond (@JonnyDymond) June 9, 2021

Royal family released statement celebrating Lilibet's birth

However, Page Six cited sources of its own who say that the situation was more nuanced with some communication having taken place.

"It will have likely been a call saying that she’s arrived and we’d plan to name her after you — it’s not really something one can say no to. I doubt they asked — more likely informed," the unnamed source was quoted as saying.

For its part, Buckingham Palace put out a statement on behalf of the royal family which celebrated Lilibet Diana's birth in June of 2022.

"The Queen, The Prince of Wales and The Duchess of Cornwall, and The Duke and Duchess of Cambridge have been informed and are delighted with the news of the birth of a daughter for The Duke and Duchess of Sussex," it read.

British politicians seeking to have Harry and Meghan stripped of titles

The report concerning Queen Elizabeth comes roughly a month and a half after the Daily Mail reported Conservative MP Bob Seely is seeking to have Prince Harry and his wife stripped of their titles.

The Daily Mail pointed out how Prince Harry and his wife are already not permitted to use the titles of "His and Her Royal Highness" thanks to a 2020 agreement in which they gave up their official royal duties.

However, Seely argued in an op-ed piece published by the paper that they should see all remaining honors taken as well.

"My aim is simple: if someone doesn't want to be Royal, that is a decision we respect – but they should not keep the titles and privileges if they trash an institution that plays an important part in our nation's life," the British lawmaker wrote.