Buckingham Palace has announced the funeral of Katharine, Duchess of Kent will be held at Westminster Cathedral on 16 September.
The Duchess of Kent died on Thursday aged 92, prompting an outpouring of tributes for the late royal, who famously gave up her royal duties to become a music teacher.
Katharine was a Catholic and there will be a Requiem Mass for her funeral, which will be the first Catholic funeral for a member of the Royal Family in modern history.
The funeral will be a private family service, after which the coffin will be taken to the royal burial ground in Frogmore in Windsor.
It is understood King Charles and Queen Camilla, as well as most of the entire extended royal family will be in attendance.
The funeral will fall just days after Prince Harry’s visit to London this