▁Ott av iano ▁de ' ▁Med ici ▁as ▁Pope ▁Leo ▁XI . ▁It ▁was ▁the ▁first ▁of ▁two ▁pap al ▁conc la ves ▁in ▁ 1 6 0 5 ; ▁Leo ▁died ▁on ▁ 2 7 ▁April ▁ 1 6 0 5 , ▁twenty - six ▁days ▁after ▁he ▁was ▁elected . ▁The ▁conc lave ▁was ▁domin ated ▁by ▁conflict ▁over ▁whether ▁Ces are ▁Baron ius ▁should ▁be ▁elected ▁po pe , ▁and ▁Philip ▁III ▁of ▁Spain ▁ex cluded ▁both ▁Baron ius ▁and ▁the ▁eventually ▁successful ▁candidate , ▁Med ici . ▁ ▁Background ▁On ▁ 1 7 ▁September ▁ 1 5 9 5 , ▁Clement ▁VIII ▁accepted ▁the ▁decision ▁of ▁Henry ▁IV ▁of ▁France ▁to ▁convert ▁to ▁the ▁Catholic ▁Church , ▁which ▁Henry ▁had ▁previously ▁made ▁to ▁secure ▁the ▁French ▁mon archy , ▁and ▁pres ided ▁over ▁a ▁ceremony ▁of ▁pap al ▁absol ution ▁that ▁removed ▁the ▁ex communic ation ▁order ▁placed ▁on ▁him ▁by ▁Si xt us ▁V . ▁The ▁Spanish ▁fa ction ▁had ▁previously ▁opposed ▁the ▁po pe ▁taking ▁these ▁actions , ▁but ▁the ▁French ▁negoti ators ▁had ▁talked ▁about ▁the ▁possibility ▁of ▁a ▁sch ism ; ▁this , ▁along ▁with ▁Henry ' s ▁vict ories ▁in ▁the ▁French ▁Wars ▁of ▁Religion , ▁over c ame ▁Spanish ▁opposition . ▁ ▁Clement ▁also ▁formed ▁a ▁commission ▁that ▁ann ul led ▁Henry ' s ▁marriage ▁to ▁Mar guer ite ▁of ▁Val ois ▁following ▁the ▁death ▁of ▁his ▁mist ress ▁Gab ri elle ▁d ' E str ées . ▁After wards , ▁Clement ▁helped