But Traitors’ contestant Lord Ivar Mountbatten ... because she’s completely incorrect. Her family name is not Sussex, her family name is Mountbatten-Windsor,” he explained to the outlet.

When British royal Lord Ivar Mountbatten was declared a winner ... Mountbatten has some deep roots within Britain's royal family tree and is the second cousin to King Charles, according to The ...

Our little family name.' However, the King's second cousin has claimed that Prince Harry's wife is 'completely incorrect'. Lord Ivar Mountbatten, 61, who has starred in season three of Traitors ...