▁of ▁them ▁made ▁up ▁their ▁own ▁gene alog ies ▁in ▁order ▁to ▁emphas ize ▁the ▁anti qu ity ▁of ▁their ▁families ." ▁ ▁It ▁has ▁been ▁suggested ▁that ▁the ▁Par n au ▁Hills ▁( Par an ▁Koh ) ▁bear ▁the ▁name ▁of ▁the ▁Par ni . ▁ ▁Notes ▁▁ ▁a ▁Ar s aces ▁was ▁" per haps ▁originally ▁a ▁local ▁r uler ▁in ▁B act ria ." ▁ ▁b ▁The ▁orig ins ▁of ▁the ▁Ar s ac ids ▁line age ▁are ▁based ▁on ▁the ▁histor i ography ▁of ▁later ▁Gree ks ▁and ▁Rom ans ; ▁the ▁fact ▁remains ▁that ▁the ▁Ar s ac ids ▁used ▁Greek ▁titles ▁and ▁Greek ▁ins cri ptions ▁on ▁their ▁co ins , ▁which ▁were ▁also ▁sty led ▁after ▁the ▁Sele uc id ▁co ins . ▁While ▁( W ol ski , ▁ 1 9 3 7 / 1 9 3 8 ) ▁supported ▁that ▁the ▁story ▁of ▁the ▁two ▁brothers ▁may ▁even ▁be ▁fiction , ▁their ▁co ins ▁are ▁real , ▁and ▁they ▁are ▁considered ▁to ▁be ▁historical ▁person ae ▁and ▁that ▁Tir id ates ▁( I ) ▁succeeded ▁his ▁brother ▁Ar s aces ▁( I ), ▁although ▁he ▁took ▁on ▁the ▁Ar s aces ▁name ▁at ▁his ▁coron ation , ▁a ▁not - un us ual ▁practice ▁in ▁that ▁era . ▁Some ▁have ▁also ▁question ed ▁the ▁relationship ▁between ▁Tir id ates ▁I ▁( a . k . a . ▁Ar s aces ▁II ) ▁and ▁his ▁son ▁and ▁successor ▁Ar s aces ▁II ▁( a .