Georgios 135 was brother of David 13 and Symeon 13 (and therefore son of Hadrianos 7 and Konstanto 1; but these relationships involve great chronological problems; was he "spiritual brother" of David 13 and Symeon 13?); he became a monk and received the tonsure from Symeon 13; ordained a priest by Georgios, bishop of Mitylene (Georgios 134), he then served under his brother Symeon 13; after the exile of Symeon 13 to Lagousa, he remained in Mitylene as head of his monastery; during the rebellion of Thomas the Slav (Thomas 7; AD 821-823) he was entrusted by Symeon 13 with the supervision of all souls and estates in Thrakesioi; the possession of his monastery was acquired by the iconoclast bishop of Lesbos, Leo 117, and Georgios 135 was exiled to Myrsine, where he performed miracles; after the death of the emperor Theophilos (Theophilos 5) (in 842), he was welcomed in Constantinople by the empress Theodora (Theodora 2) and returned with honour to Lesbos (cf. Anonymus 267 and Anonymus 268); in 843 Georgios 135 received a gift from Petronas 5; also in 843, at the age of eighty, he was named bishop of Ephesos by the patriarch Methodios 1; he subsequently travelled to Smyrna; he died on Easter Saturday 844 (so van den Gheyn; Halkin, in a review of J. Fundoules, The Holy Brothers David, Symeon and Georgios Confessors (Athens, 1961), Anal. Boll. 81 (1963), pp. 290ff., proposed 12 April 821): Acta Davidis, Symeonis et Georgii (BHG 494) passim, cf. Vita Georg. Mytil. (BHG 2163).

He is celebrated as a saint on 7 or 8 April and on 16 or 17 May, and with his brothers on 1 Feb.: Synax. Eccl. Const. 589, 5-590, 6 (7 April) (BHG 2163B), 591-592, 48 (8 April), 687, 12-27 (16 May), 691-692, 48 (17 May), Menol. Bas. 389B-C (7 April), 461A-B (16 May). On the Acta, see ODB I 589 with references, and PmbZ, Prolegomena, pp. 133ff. He perhaps wrote a sermon about the Holy Cross: see BHG 438n (pp. 98-99: "Oratio a. Georgii Mytilenaeo") . Cf. also Georgios 248.

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