As I wrote in another thread, it does not seem possible, for one reason - Mimara's looks. TJE, Chapter 14 "For the first time, it seemed, he noticed how much lighter her [Mimara's] skin was than his or her mother's. For the first time he wondered about her real father, about the twist of caprice that had seen her born, rather than aborted by Esmenet's whore-shell." Esmi and Akka were Ketyai and from this passage it seems that Mimara's father must have been a Norsirai.