. ▁ ▁Duke ▁and ▁Prince ▁of ▁the ▁Fran ks ▁ ▁The ▁Ne ust ri ans ▁bare ly ▁toler ated ▁an ▁Aust ras ian ▁over l ord , ▁but ▁P ep in ▁preferred ▁to ▁put ▁these ▁local ▁resist ances ▁aside ▁to ▁deal ▁with ▁Germany . ▁Over ▁the ▁next ▁several ▁years , ▁P ep in ▁sub du ed ▁the ▁A lem anni , ▁F ris ians , ▁and ▁Fran con ians , ▁bringing ▁them ▁within ▁the ▁Frank ish ▁sphere ▁of ▁influence . ▁Between ▁ 6 9 0 ▁and ▁ 6 9 2 , ▁U tre cht ▁fell . ▁This ▁gave ▁the ▁Fran ks ▁control ▁of ▁important ▁trade ▁routes ▁on ▁the ▁Rh ine ▁to ▁the ▁North ▁Sea . ▁He ▁also ▁supported ▁the ▁mission ary ▁work ▁of ▁Will ibr ord . ▁In ▁ 6 9 5 , ▁he ▁placed ▁Dro go ▁in ▁the ▁Burg und ian ▁mayor ship ▁and ▁his ▁other ▁son , ▁Gr imo ald , ▁in ▁the ▁Ne ust rian ▁one . ▁ ▁Ar ound ▁ 6 7 0 , ▁P ep in ▁had ▁married ▁P lect ru de , ▁who ▁had ▁inherited ▁substantial ▁est ates ▁in ▁the ▁Mos elle ▁region . ▁She ▁was ▁the ▁mother ▁of ▁Dro go ▁of ▁Champ agne ▁and ▁Gr imo ald ▁II , ▁both ▁of ▁whom ▁died ▁before ▁their ▁father . ▁However , ▁P ep in ▁also ▁had ▁a ▁mist ress ▁( or ▁possibly , ▁a ▁second ▁wife ) ▁named ▁Al pa ida ▁( or ▁Chal pa ida ) ▁who ▁bore ▁him ▁two ▁more ▁sons : ▁Charles ▁Mart el ▁and