Prince Louis is the third, and the youngest child of Prince William and Kate Middleton. He was born on April 23, 2018, at Mary’s Hospital in Paddington, London, and he is fifth in the line for the throne.
Who is he named after?
His full name is Louis Arthur Charles. Louis is in honor of his late paternal great-great-great-uncle Lord Louis Mountbatten. 1st Earl Mountbatten of Burma. In 1979, Lord Louis was assassinated alongside his grandson Nicholas. The bomb was set by members of the Provisional Irish Republican Army. The name Louis also share Prince George and Prince William.
The name Arthur is a family name that also has his grandfather, Prince Charles Philip Arthur George, and father, Prince William Arthur Philip Louis. The name Charles is an obvious reference to his grandfather, Prince Charles.
Royal title
Currently, he is His Royal Highness Prince Louis of Cambridge. However, his title will change once he gets older. He will most likely never be the King of England, but he will still be a prominent member of the British Royal Family.
Prince George’s name
Prince George Alexander Louis has his name George after King George VI, Queen Elizabeth II’s father. Alexander in honor of Queen Elizabeth II, whose middle name is Alexandra, and Arthur and Louis are names shared with his grandfather and father.
Princess Charlotte’s name
Her full name is Princess Charlotte Elizabeth Diana, and the name Charlotte is Pipa Middleton’s middle name. What you maybe didn’t notice is that Charlotte is a female version of the male name, Charles. Elizabeth and Diana are in honor of Queen Elizabeth II and her late grandmother, Prince William’s mother, Princess Diana.
Source: cheatsheet.com