Ariarathes IX of Cappadocia king of Cappadoccia Parents Mithridates VI of Pontus Children Siblings Xiphares Mithridatis Cleopatra the Younger Eupatra Arcathius Drypetina Cleopatra of Pontus Nysa Athenais Philostorgos II Machares Xerxes of Pontus Mithridates I of the Bosporus Adobogiona the Younger Mithridates of Colchis Orsabaris Pharnaces II of Pontus