Keran

Keran is templar recruit who gets kidnapped by Blood Mages in Enemies Among Us.

Background
Keran is one of many recruits currently being trained in the Gallows.

Involvement
During the quest Enemies Among Us, Macha asks Hawke to help her find her missing brother, Keran. When speaking to the templar recruits in the Gallows, it is revealed that several other recruits have disappeared as well. Upon further investigation, it turns out that Blood Mages have been kidnapping the missing recruits in order to turn them into Abominations. Keran is the only surviving templar at the end of the quest.

Result
Hawke will have the option of convincing Cullen whether to accept him back in the order or not. If Anders or Merrill were present during the quest, the PC also has the option of asking them to verify if Keran might be possessed. This can be mentioned to Cullen also.