Kathrin Vaughan

Kathrin is a secondary character in the series. She is Eric's slave though he does not treat her as such. Much like Trace and Flora, Eric and Kathrin are somewhat romantically involved despite being two different races.

Origins and Backstory
Kathrin is the daughter of "Good queen bess" and whos father is "The Doctor". The Doctor being a non human having sex with a human resulted in the mixed breading.