John XII of Constantinople

John XII (Greek: Ἰωάννης; died after 1308) was the Ecumenical Patriarch of Constantinople from 1294 to 1303. John XII was born in Sozopolis on the western Black Sea coast (now Sozopol, Bulgaria). Prior to becoming patriarch, he was known as Kosmas.^[1]

John XII of Constantinople
Ecumenical Patriarch of Constantinople
Church	Church of Constantinople
In office	1 January 1294 – 21 January 1303
Predecessor	Athanasius I of Constantinople
Successor	Athanasius I of Constantinople
Personal details
Born	?
Died	after 1308

References

1. MacGillivray Nicol, Donald (1993). The last centuries of Byzantium, 1261-1453 (2nd ed.). Cambridge University Press. p. 102. ISBN 978-0-521-43991-6.

Eastern Orthodox Church titles
Preceded by Athanasius I	Patriarch of Constantinople 1294–1303	Succeeded by Athanasius I