Princess Alexandra, Duchess Of York otherwise known as is the mother of King Edward IX and Prince Ethan. Alexandra was married to Prince Arthur Of York until his death in 2016 along with much of the core members of the House of Windsor. As the mother of King Edward she is styled as Queen Mother by default yet has opted to retain her title of Duchess of York. Yet she is also the first mother of a monarch to have not been a queen prior since the mother of Queen Victoria.
Unbeknownst to her, Edward has named her to act as regent for her son Prince Ethan should he be captured by the Empire.