Svoboda Newspaper - December 1, 1962

"History of the Ukranian Language - A Survey" The Ukranian Weekly, December 1, 1962.

"Two learned brothers and an influential Greek family from the city of Solun presently Thessalonica in Northern Greece, were commissioned to devise an alphabet, suitable for the Slavic sounds and to translate some religious texts into Slavic using the newly-invented script. The two brothers, Constantine and Methodius, had an excelent time in edition for their time and, in addition, were fluent in several languages, among them a Slavic tongue spoken by the Slavs in and around the city of Solun."

Conclusion (Analysis):

- According to this Ukranian article from 1963, Constantine (Cyril) and Methodius were from influential Greek family from Thessaloniki (slavic: Solun).