According to the official Twitter account for the Prince of Wales's office, Clarence House:
Her Royal Highness the Duchess of Cambridge was safely delivered of a son at 4:24 PM today. The baby weighs 8 lbs, 6 oz. The Duke of Cambridge was present for the birth. The Queen, the Duke of Edinburgh, the Prince of Wales, the Duchess of Cornwall, Prince Harry, and families have been told and are delighted. Her Royal Highness and her child are both doing well and will remain in hospital overnight.
Congratulations to the Duke and Duchess of Cambridge!
Princess Diana is now a grandmother!
I HOPE THE BEST THE FAMILY AND CHILD SHANDA
Congratulations to William and Kate!
Best wishes to William and Kate on the birth of their first child.
hello, congratulation! that is a very good news to hear,
long life the future king, _______!
if may ask what is the name of the newly born prince?
We don't know the name yet! It may be announced soon or it may take a day, a week (?!) — till then only the royal family knows.
I hope they include Spencer in the name in Honor of Diana
Or even John which was her Father's name!