Germanus III of Constantinople (Greek: Γερμανός; died 1289) was Ecumenical Patriarch of Constantinople (28 May 1265 – 14 September 1266). He attended the Second Council of Lyon in 1274 as the representative of Emperor Michael VIII Palaiologos.
Notes and references
Bibliography
- Grumel, Venance (1958). Traité d'études byzantines. Vol. I. Paris: Presses Universitaires de France.




