Queen’s cousin blasts The Crown over ‘fantasy’ plot about monarch’s relatives ‘certified as lunatics’ and left to rot in mental asylum – saying it caused ‘frustration’ in the family

David Bowes-Lyon, 73, said an episode about two of the Queen Mother's nieces, Nerissa and Katherine Bowes-Lyon, had caused 'frustration' in the royal family. He said it is 'completely wrong'.