Ariarathes IV of Cappadocia
3rd and 2nd-century BC king of Cappadocia / From Wikipedia, the free encyclopedia
For other people named Ariarathes, see Ariarathes (disambiguation).
Ariarathes IV, surnamed Eusebes, "the Pious", (Ancient Greek: Ἀριαράθης Εὐσεβής, Ariaráthēs Eusebḗs), was the king of Cappadocia in 220–163 BC.