Lady Louise Mountbatten is a British noblewoman born on November 8, 2003. She is the daughter of Prince Edward, Earl of Wessex and Sophie, Countess of Wessex, making her a member of the British royal family. Louise is the youngest grandchild of Queen Elizabeth II and Prince Philip, Duke of Edinburgh. Lady Louise has a keen interest in equestrian activities and has participated in various competitions. She is known for her down-to-earth personality and has maintained a relatively low profile compared to other members of the royal family.