Dionysios 3 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | E/M IX |
| Dates | 818 (taq) / 845 (ob.) |
| Variant Names | Dywnnwsyws; Dywnnsyws |
| Religion | Christian; Jacobite |
| Locations | Antioch (Syria) (officeplace); Edessa (Syria) (birthplace); Antioch (Syria) (residence); Edessa (Syria) (residence); Antioch (Syria); Edessa (Syria); Tell Mahre |
| Occupation | Bishop |
| Titles | Patriarch, Antioch (Syria) (office) |
| Textual Sources | Chronicon Anonymi ad annum 1234 pertinens, ed. and tr. J.-B. Chabot, I = CSCO 81-82 (Paris, 1916-20), II = CSCO 109 (Louvain, 1937) (chronicle) |
Dionysios 3, a native of Edessa, and known as Dionysios of Tell Mahre, was chosen (Jacobite) patriarch of Antioch in 818: Chron. 1234, §199 (II, p. 13). He was the author of an ecclesiastical history: Chron. 1234, §§199, 205, 206, 207, 209, 220 (II, pp. 13, 17, 18, 19, 21, 33). He was not the author of the Chronicle attributed to him; see ODB I, pp. 628-629 with references. He died in 845; see ODB I, loc. cit.
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