Gemma is a member of the House of Castleroy.
She is portrayed by Saige Aurora.
In Blood for Blood, while the ballroom is being prepared for her father's wedding, she runs up to her future step mother, who does her hair. She later attends Greer and Lord Castleroy's Wedding, at which she dances with the rest of her family.
|Drawn and Quartered||Absent|
|The Lamb & The Slaughter||Absent|
|Blood for Blood||Appears|
|The Prince of the Blood||Absent|
|Terror of the Faithful||Absent|
|Acts of War||Absent|