Son of Argus and Euadne
Son of Argos [I 1] and Euadne (Apollod. 2,3), father of Io (Apollod. 2,5; Hes.Cat. 124) or of Callithyia (= Callithoe ), whom P. employed as priestess in the sanctuary of the Argive Hera that he founded (Plut. FGrH 388 F 2). Other forms of the name: Peiras (Apollod. 2,3), Peirasus (Paus. 2,17,5), Peiranthus (Hyg. Fab. 145).