“The baby will be known as His Royal Highness Prince Louis of Cambridge.”
Now that the housekeeping piece is out of the way, what does the now 4-year-old’s name mean?
The Prince of Wales' full name is William Arthur Philip Louis after all (viaE!

The family of five also includes another Louis: Prince George, whose middle name is Alexander Louis.
Meanwhile, King Louis XIV ruled France for an astonishing72 years.

