This bug only continues to slowly destroy the psyche of his programming, and eventually the host is retired and replaced with another android- none of which is noticed by Dolores.
Dolores’ father was actually one of the biggest plot lines from Westworld’s first episode.
In the following two episodes, we saw the new form of Dolores’ father, but we have yet to be introduced to her unseen mother.
Her father Peter finds a modern photograph of a woman in Time Square, presumably leftover from one of the park’s patrons.