(Elizabeth and Christine) The Kingdom of Great Britain is celebrating today because the Duke and Duchess of Cambridge have welcomed their first child, a son! In this special edition of Footnoting History, we discuss the history of royal baby names in Great Britain from the most popular to those you are not likely to see on the throne again any time soon. What must a future king and queen consider when naming their child? If your child was going to rule a country, what would you name him or her?