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I would suggest that the five Patriarchs "led" rather than "ruled" the Church.

In the sequence

1. Gregory Mamme (1451-1459)
2. Johannes Bessarion (1459-1472)
3. Peter Riario (1472-1474)

there appears to be a problem:

In Isidore the Apostate is mentioned:
"In 1458, he was ordained as a nominal Patriarch of Constantinople."

Which one is wrong?

(this discussion is replicated in Talk:Isidore the Apostate).

-- FocalPoint 10:37, 8 March 2006 (UTC) reply

I found from Johannes Bessarion that he obtained the title in 1463, therefore Isidore of Kiev was inserted to the list.-- FocalPoint 20:38, 8 March 2006 (UTC) reply

The five leading bishops were still bishops - not rulers. Montalban ( talk) 02:40, 2 November 2012 (UTC) reply