Catherine and Prince William's son weighed 8 pounds, 6 ounces, according to the palace.
Catherine and her son will remain in the hospital overnight.
The royal baby
Catherine, the Duchess of Cambridge, has given birth to a baby boy. The baby is third in line to the British throne after his grandfather, Prince Charles, and father, Prince William. St. James's Palace says that the baby will hold the title His Royal Highness Prince (name) of Cambridge.