I suppose it is former Queen Regent now.
Game of Thrones Season 4, Episode 2
The Queen Regent has
a great many responsibilities.
Game of Thrones Season 2, Episode 4
"to rule as REGENT...
Game of Thrones Season 1, Episode 7
Lord Stark, King Joffrey and the Queen Regent
request your presence in the Throne Room.
Game of Thrones Season 1, Episode 7
- The Queen herself has granted...
- The Queen Regent.
Game of Thrones Season 2, Episode 2