Why should a young man in (today) Ukraine at the beggining of XX century change his surname to Kogan/Kohan? What were the reasons?
It's no matter for me if my GF was really from a Cohen's line - just why he should did it?
And how is possible to continue with a genealogical research backward knowing that possibility?
YEUDKIN/YUDKIN, SCHEIMAN from Gomel in Belarus
DUGATKIN, SHMUKLER, KOHON, BERKUN, OSCHEVEROFF/OSHEVEROV, SILBERT from Kherson Guvernia in Ukraine