About Prince Louis of Wales
Prince Louis of Wales ( LOO-ee; Louis Arthur Charles; born 23 April 2018) is a member of the British royal family. He is the third and youngest child of William, Prince of Wales, and Catherine, Princess of Wales, and a grandson of King Charles III and Diana, Princess of Wales. He is fourth in the line of succession to the British throne. Louis was born at St Mary's Hospital, London, during the reign of his paternal great-grandmother, Queen Elizabeth II, and was fifth in line before her death. == Infancy == Louis was born at 11:01 am on 23 April 2018 at St Mary's Hospital, London, during the reign of his paternal great-grandmother, Queen Elizabeth II. He is the third child and second son of Prince William and Catherine (then known as Duke and Duchess of Cambridge). He has an elder brother and sister, Prince George and Princess Charlotte. His birth was marked by gun salutes and bell ringing. On 27 April, his name was announced as Louis Arthur Charles, honouring his paternal grandfather, Charles, Prince of Wales (later King Charles III), and his 3rd-great-uncle Louis, Earl Mountbatten of Burma. Louis was christened on 9 July by the archbishop of Canterbury, Justin Welby, in the Chapel Royal at St James's Palace. == Upbringing == Louis and his family lived at Kensington Palace and Anmer Hall in Norfolk during his early childhood.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.