Prince Louis will be christened July 9 at the Chapel Royal at St. James's Palace in London The third child of Prince William and his wife Kate, Duchess of Cambridge was born April 23 and is fifth in line to the throne Here’s a look at other royal christenings The Queen Mother holds her daughter Princess Elizabeth (later to be Queen Elizabeth II) on her christening day in 1926 Princess Elizabeth holds her son, Prince Charles, following his christening in 1948 Princess Elizabeth and her daughter, Princess Anne, at her christening ceremony in 1950 Diana, Princess of Wales at Prince William's christening in 1982 Prince Harry's christening in 1984 The Duchess of Cambridge carries her son Prince George at his christening in 2013 Prince William and his wife Kate at Princess Charlotte’s christening in 2015