A spokesperson for Prince William added: “Racism has no place in our society. The comments were unacceptable, and it is right that the individual has stepped aside with immediate effect.”

Lady Hussey’s comments come after Meghan, Duchess of Sussex, claimed last year that a member of the royal household raised concerns about what colour skin her son, Archie, would have.

“We have in tandem the conversation of ‘He won’t be given security; he’s not going to be given a title,’ and also concerns and conversations about how dark his skin might be when he’s born,” Meghan told Oprah Winfrey in their highly publicised TV interview.

In the programme, Prince Harry also confirmed that someone had expressed worry about, as he put it, “what will the kids look like”.

Prince William, however, said the family “are very much not racist” when challenged by a reporter following the interview claims.

Buckingham Palace aide Lady Susan Hussey has apologised and resigned after alleged racism towards Sistah Space founder Ngozi Fulani