The mother of Chi-Chi and wife of Ox-King (making her Ox-Demon Queen), she is rumored to be An'nin by many fans and fact checkers (often Japanese version's experts of valuable fansites) due to her strong resemblance to Chi-Chi.
Chi-Chi's mother "supposedly" died of an illness after giving birth to Chi-Chi.
In DBZ Abridged[]
She is mentioned by her husband in DBZA. In Movie 8, Chi-Chi states that her mother was jewish while in episode 59, Ox-King states that Chi-Chi got her "Sex machine drain" attitude from her mother.