Ioannes 523 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | L VIII/E IX |
| PmbZ No. | 3195 |
| Locations | Lakedaimon (Hellas) (topographical); Lakedaimon (Hellas) (officeplace) |
| Occupation | Bishop |
| Titles | Bishop, Lakedaimon (Hellas) (office) |
| Textual Sources | Gouillard, J., "Le Synodikon de l'orthodoxie", TM 2 (1967), pp. 45-107 (liturgical) |
Ioannes 523 is named in a list of bishops of Lakedaimon in the Synodikon of Orthodoxy: Gouillard, "Synodikon", p. 112, VII. The fourth of his successors was Theokletos, attested in 869; his floruit is conjectural.
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