- F lor ence , ▁where ▁he ▁also ▁represented ▁Phil othe us ▁of ▁Alexand ria . ▁He ▁was ▁elected ▁Patri arch ▁after ▁the ▁death ▁of ▁the ▁also - union ist ▁Patri arch ▁Metro phan es ▁II . ▁ ▁Gregory ▁did ▁his ▁best ▁to ▁recon cile ▁mon ks , ▁the ▁church ▁hierarchy , ▁and ▁common ▁people ▁to ▁the ▁agreement ▁reached ▁at ▁Ferr ara - F lor ence , ▁but ▁in ▁vain . ▁He ▁was ▁opposed ▁by ▁George ▁Sch ol arios ▁and ▁John ▁Eugen ik os , ▁who ▁wrote ▁extens ively ▁against ▁the ▁Council . ▁Le ading ▁anti - Union ist ▁cler gy ▁refused ▁to ▁pray ▁for ▁the ▁Emperor ▁in ▁their ▁churches . ▁In ▁ 1 4 5 0 , ▁the ▁t ension ▁in ▁ecc les iast ical ▁circles ▁grew ▁so ▁t ense ▁that ▁Gregory ▁left ▁his ▁post ▁and ▁arrived ▁in ▁Rome ▁in ▁August ▁ 1 4 5 1 . ▁He ▁was ▁cord ial ly ▁received ▁by ▁Pope ▁Nicholas ▁V , ▁who ▁a ided ▁him ▁finan cially . ▁Pro - union ists ▁in ▁the ▁Latin - occup ied ▁areas ▁of ▁Greece ▁continued ▁to ▁consider ▁him ▁the ▁legit imate ▁patri arch ▁of ▁Constantin ople . ▁ ▁Leg acy ▁Gregory ▁died ▁in ▁ 1 4 5 9 ▁in ▁Rome . ▁He ▁was ▁hon oured ▁as ▁saint ▁and ▁wonder - worker ▁by ▁the ▁Roman ▁Catholic ▁Church . ▁He ▁wrote ▁two ▁dis sert ations ▁about ▁the ▁conf ut ation ▁of ▁the ▁works ▁of ▁the ▁anti - union ist ▁Bishop ▁Mark ▁Eugen ik os , ▁and ▁one ▁on ▁the ▁proven