Although not much is really known about Kau prior to his time with Mungoh, Kau does have a few old pictures of himself as well as Mungoh from before Kau's eyes were removed. Kau remembers he did have a family at one point, He remembers his parents were killed and that he was left for dead. Kau is almost positive he had an older brother and an older sister. Though he can not remember their names or faces.