The Duke of Sussex and Duke of Cambridge are reportedly set to split their royal household.

The brothers and their wives, the Duchess of Sussex and Duchess of Cambridge, will formally separate their staff within weeks, the Sunday Times reported.

The Duke and Duchess of Sussex, pictured at the annual Endeavour Fund Awards, are expecting their first child (Yui Mok/PA)The Duke and Duchess of Sussex, pictured at the annual Endeavour Fund Awards, are expecting their first child (Yui Mok/PA)

Harry and Meghan are due to move to Frogmore Cottage in the grounds of Windsor Castle this year and are expecting their first child in spring.

The couple have been living at Kensington Palace in London, near William and Kate and their three children.

EE British Academy Film Awards 2019 – Arrivals – LondonThe Duke and Duchess of Cambridge attending the Bafta film awards (Jonathan Brady/PA)

The paper quoted a source saying: “William and Harry’s double act has naturally been supplanted by the two couples and their families.”

Kensington Palace declined to comment.