▁are ▁two ▁distinct ▁trad itions ▁concerning ▁the ▁Sib yl ▁of ▁Mar p ess os . ▁The ▁first ▁origin ates ▁with ▁the ▁Per ip at etic ▁phil os opher ▁Her ac l ides ▁Pont icus ▁( ca . ▁ 3 9 0 ▁- ▁ca . ▁ 3 1 0 ▁B CE ) ▁and ▁is ▁preserved ▁in ▁a ▁series ▁of ▁sources ▁from ▁Late ▁Anti qu ity ▁and ▁the ▁early ▁and ▁middle ▁By z antine ▁periods ▁which ▁list ▁the ▁ten ▁Sib yl s ▁as ▁set ▁out ▁by ▁the ▁Roman ▁grammar ian ▁Var ro . ▁In ▁this ▁tradition , ▁the ▁Sib yl ▁( here ▁term ed ▁the ▁H elles pont ine ▁Sib yl ) ▁is ▁said ▁to ▁have ▁been ▁born ▁in ▁the ▁village ▁of ▁Mar mess os ▁in ▁the ▁Tro ad ▁in ▁the ▁time ▁of ▁Sol on ▁and ▁C yrus ▁( ear ly ▁ 6 th ▁century ▁B CE ). ▁ ▁The ▁second ▁tradition ▁origin ates ▁with ▁Dem et ri us ▁of ▁S ce ps is , ▁a ▁grammar ian ▁who ▁wrote ▁on ▁H omer ▁and ▁whose ▁h omet own ▁was ▁less ▁than ▁ 1 8   km ▁from ▁the ▁site ▁of ▁Mar p ess os . ▁His ▁account ▁is ▁primarily ▁preserved ▁in ▁the ▁work ▁of ▁the ▁ 2 nd ▁century ▁CE ▁ge ograph er ▁P aus an ias , ▁and ▁it ▁is ▁difficult ▁to ▁tell ▁to ▁what ▁extent ▁the ▁well - tra ve led ▁P aus an ias ▁( a ▁native ▁of ▁L yd ia ) ▁supp lement ed ▁Dem et rios ' ▁account ▁with ▁his