The Queen has become a great-grandmother for the second time, Buckingham Palace has announced.
Isla Phillips was born yesterday at Gloucestershire Royal Hospital, Gloucester, to Peter Phillips and wife Autumn, weighing 7lb 4oz. Perhaps in a nod to her great-grandmother's Diamond Jubilee year, she has been given the middle name Elizabeth.
She is a second daughter for Mr Phillips, who was present at the birth, and his wife. Her older sister Savannah was born in 2010.
The Queen's press secretary said: "The Queen, the Duke of Edinburgh, the Princess Royal, Captain Mark Phillips and Autumn's family have been informed and are delighted with the news.
"Isla Elizabeth is the second child for Peter and Autumn, the second grandchild for the Princess Royal and the second great-grandchild for the Queen and the Duke of Edinburgh.
"She will be 13th in line to the throne."
Buckingham Palace would not confirm if the middle name had specifically been chosen as a tribute to the Queen.