|Real Name:||Agatha Blackburn|
|Originally From:||London, England|
|Parents:|| Gideon Blackburn (Father)
Unnamed Mother †
|Affiliations:||Kingdom of England|
|Portrayed by:||Macy Drouin|
Agatha Blackburn is the young daughter of Gideon Blackburn. Her mother died in childbirth, and she doesn't often get to see her father.
- Sent a drawing to her father. 
- Finds out she will be traveling to France to visit her father. 
- Mary Stuart bought her a doll from Rome.
- Queen Elizabeth allowed her to play 'Queen For a Day' 
|Three Queens, Two Tigers||Betrothed||Extreme Measures||The Price||In A Clearing||Fight or Flight||The Hound and the Hare||Our Undoing||Wedlock|
|Bruises That Lie||Succession||No Way Out||Strange Bedfellow||To The Death||Safe Passage||Clans||Intruders||Spiders In a Jar|
|With Friends Like These||A Grain Of Deception||Leaps of Faith||Playing With Fire||Highland Games||Love & Death||Hanging Swords||Unchartered Waters|
|Pulling Strings||A Better Man||Dead of Night||The Shakedown||Coup de Grace||A Bride. A Box. A Body.||Blood in the Water||All It Cost Her|