Welcome to the world, Prince Louis! Now that Prince William and Kate Middleton have officially announced their third royal baby’s name, fans across the globe, understandably, have many questions about little Louis’ regal moniker. For starters, what is the baby’s full name, exactly? What does the moniker Louis mean and what is its origin? Lucky for you, we’re answering all of your royal baby name questions — scroll down to learn all about Prince Louis’ name!

What is Prince Louis’ full name?

William and Kate’s third child’s full name is His Royal Highness Prince Louis Arthur Charles of Cambridge. The royal couple revealed baby Louis’ name in an official statement released by Kensington Palace on Friday, April 27. “The Duke and Duchess of Cambridge are delighted to announce that they have named their son Louis Arthur Charles. The baby will be known as His Royal Highness Prince Louis of Cambridge,” the statement posted on Twitter read.

What is the origin of Prince Louis’ name?

The name Louis has several special origins in the British royal family. First, it’s a nod to the baby’s father, William, and older brother, Prince George, who both have Louis as part of their full names. William’s full moniker is William Arthur Philip Louis and George’s full name is George Alexander Louis. It is also thought that Kate and William named baby Louis after Prince Philip‘s grandfather, Prince Louis Alexander of Battenberg, and Prince Charles‘ beloved great-uncle, Earl Louis Mountbatten. Prince William’s uncle Prince Edward also has Louis in his full name, Edward Antony Richard Louis. And, Prince Edward’s daughter, Lady Louise Windsor, additionally has the female version of Louis as her first name.

As for Prince Louis’ middle names, Arthur and Charles, those are no-brainers. Charles is, of course, a nod to the baby’s grandfather Prince Charles and also maybe a sweet tribute to his older sister, Princess Charlotte, whose first name is the female version of Charles. Both Prince Charles and Prince William have Arthur as middle names. As mentioned above, Prince William’s full name is William Arthur Philip and Prince Charles’ full name is Charles Philip Arthur George.

What does the name Prince Louis mean?

The name Louis is of French and German origin and means “famous in battle” and “famous warrior.” Prince Louis’ first middle name, Arthur, is of Celtic and English origin and means “bear,” “noble,” and “courageous.” The baby’s second middle name, Charles, is of German and French origin and means “strong,” “manly,” and “free man.” Fascinating, right?!

How do you pronounce Prince Louis?

This aspect of the royal baby’s moniker may surprise you, especially if you’re American! Prince Louis’ first name is pronounced like “Lew-ee” not “Lewis.” Following William and Kate’s official announcement of their third child’s name, many British reporters and royal experts took to Twitter to help out their US-born peers who were having trouble pronouncing the newest royal’s name.

“For my American friends, Louis is pronounced Lew-ee not Lewis — silent s!” one person wrote. Another added, “Pronounced Lou-ey, not Lewis.” One other person joked, “We should probably be clear for any American royal fans — its ‘Lou-ee’ not ‘Lew-is.'” So, now you know!

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