Harry said his brother swore 'on mummy's life' – a code they reserved for times of crisis – at Prince Philip's funeral.

Prince Harry has spoken about the “special code” that his brother Prince William used to communicate with him when the pair attended Prince Philip's funeral ...

Prince Harry and his brother Prince William have a three-word secret code for 'times of crisis'. Prince Harry recalled the secret code in his tell-all memoir Spare released on 10 January 2023.