▁Charles ▁Mart el , ▁leading ▁to ▁a ▁civil ▁war ▁after ▁his ▁death ▁in ▁which ▁the ▁latter ▁emer ged ▁vict orious . ▁ ▁Background ▁ ▁P ep in , ▁sometimes ▁called ▁P ep in ▁II ▁and ▁P ep in ▁the ▁Middle , ▁was ▁the ▁grand son ▁and ▁names ake ▁of ▁P ep in ▁I ▁the ▁E lder ▁through ▁the ▁marriage ▁of ▁P ep in ▁I ' s ▁daughter ▁Beg ga ▁to ▁An seg is el . ▁He ▁was ▁also ▁the ▁grand father ▁of ▁P ep in ▁the ▁Short ▁and ▁great - grand father ▁of ▁Char lemagne . ▁That ▁marriage ▁un ited ▁the ▁two ▁houses ▁of ▁the ▁Pi pp in ids ▁and ▁the ▁Arn ulf ings ▁which ▁created ▁what ▁would ▁be ▁called ▁the ▁Carol ing ian ▁dynast y . ▁P ep in ▁II ▁was ▁probably ▁born ▁in ▁Her stal ▁( H ér ist al ), ▁modern ▁Belg ium ▁( where ▁his ▁centre ▁of ▁power ▁lay ), ▁wh ence ▁his ▁by name ▁( s ometimes ▁" of ▁Her ist al "). ▁ ▁R ise ▁to ▁power ▁▁ ▁As ▁mayor ▁of ▁Aust ras ia , ▁P ep in ▁and ▁Martin , ▁the ▁du ke ▁of ▁La on , ▁fought ▁the ▁Ne ust rian ▁mayor ▁E bro in , ▁who ▁had ▁designs ▁on ▁all ▁Francia . ▁E bro in ▁defeated ▁the ▁Aust ras ians ▁in ▁the ▁Battle ▁of ▁Luc of ao ▁and ▁came ▁close ▁to ▁unit ing ▁all ▁the ▁Fran ks ▁under ▁his ▁rule ; ▁however , ▁he ▁was ▁assass in ated ▁in ▁ 6 8 1 ,