Princess Beatrice and Mr Edoardo Mapelli Mozzi announced their daughter’s name on Friday, 1 October 2021 on social media.

A statement from The Royal Family’s Facebook account said, ‘Her Royal Highness Princess Beatrice and Mr Edoardo Mapelli Mozzi have named their daughter Sienna Elizabeth Mapelli Mozzi.’

‘The couple have said, “We are all doing well and Wolfie is the best big brother to Sienna.”’

Princess Beatrice and Mr Edoardo Mapelli Mozzi’s daughter was born on Saturday, 18 September 2021, at the Chelsea and Westminster Hospital, London.

Sienna weighed 6 pounds and 2 ounces.

Proud parents Princess Beatrice and Mr Mapelli Mozzi also posted the news on their social media accounts, with a picture of Sienna’s footprints, and ‘A massive thank you to the Midwife and the amazing team at the Chelsea and Westminster Hospital.’

Sienna is currently 11th in the line of succession to the British throne and Queen Elizabeth’s twelfth great-grandchild, with her middle name paying tribute to Her Majesty.