
Kate Middleton and Prince William's youngest son Prince Louis was named after the Royal Family's 'secret weapon' as the parents carried on the royal tradition of using the name.
- Prince Louis was named after Lord Louis Mountbatten, the grandson of Queen Victoria who was often called the Royal Family's secret weapon.
- As well as Prince William and Kate Middleton giving the name to their youngest son, they used it for Prince George's third name and William himself uses it as a middle name.
- In other royal news, See Kate Middleton's quick 'mum reflex' save Princess Charlotte in unearthed clip.