 Having been released from jail, Dulipo then discovers he is Cleander's son.An additional minor source is "Mostellaria" by Plautus, from which Shakespeare probably took the names of Tranio and Grumio.Efforts to date the play's composition are complicated by its uncertain relationship with another Elizabethan play entitled "A Pleasant Conceited Historie, called the taming of a Shrew", which has an almost identical plot but different wording and character names.