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Eastern Orthodox metropolitan bishop
Peter Akerovych (Ukrainian : Петро Акерович ); (b ? d ?) — was an Eastern Orthodox metropolitan from Kyiv (official title — Metropolitan of Kyiv and All-Rus' ).
Metropolitan of Kyiv from 1241 to 1245, descendant of a boyar family. He was hegumen of the Saint Saviour Monastery in Berestove and since 1240 - an Orthodox bishop .
Akerovych participated in the First Council of Lyon in 1245, where he informed the Catholic West of the Tatar threat. And was employed by Grand Prince of Kyiv Mykhailo Vsevolodovych in diplomatic service.
Nothing is known of Akerovych past the year 1246.
Metropolis of Kiev and all Rus' (988–1281) (Michael and Leontius) Theophylact John Teopempt (Hilarion )u Ephraim George (1069–1073) John II John III Nicholas Nikephoros Nikita Michael II (Clyment )u Costantine Teodor John IV Costantine II John V Nikephoros II Matthew Сyril Joseph (Peter )u Kirill II (1250–1281) sede vacante (1281–1283) Partition of the metropolis (1283–1378)
Metropolis of Kiev and all Rus'(episcopal seat in Moscow ) Metropolis of Halych Niphont (1303–1305) sede vacante (1305–1326) Gabriel (1326–1329) Theodore (1337–1347) Antoniy (1370–1391) (Metropolitan of those Halych eparchies within Poland) Metropolis of Lithuania Metropolis of Lithuania-Volhynia Roman (1355–1362) (merged metropolises of Lithuania and Halych) Administered by Alexius (1362–1378) Metropolis disestablished. Territory reunited to the Metropolis of Kiev and all Rus' Gregory Tsamblak (1414–1420 in pretense)u
Reunited Metropolis (1378–1441) Cyprian (restored 12 February 1378–1406) Photius (1408–1431) Gerasimus (1431–1437) Isidore (1437–1441) Later, as the uniate Metropolitan (1441–1458)b Parallel successions (1441–1596)
Parallel successions (1596–1805)
Metropolis today c Recognised by Rome alone; b Recognised by both Rome and Constantinople; u Not recognised by Constantinople