It’s a prince! On Monday, the world welcomed the newest addition to the royal family and the future heir to England’s throne. Palace officials confirmed the arrival of His Royal Highness the Prince of Cambridge, born at St. Mary’s Hospital at 4:24 p.m. BST, and weighing 8 lbs. 6 oz..

“We could not be happier,” said Prince William in a statement released by the palace shortly after the birth of his son. He was at his wife’s side during her delivery, unlike past royals. Both mother and child are doing fine, the palace confirmed.

“Her Royal Highness and her child are both doing well and will remain in hospital overnight,” palace officials stated in a press release. The name of the future monarch will be released “in due course.”

The newborn is officially called the Prince of Cambridge. He is the first royal to use that title in 100 years.

“The Queen, The Duke of…