'Avdecho ve'amasecha'. The Shabbos Goy of Chassidim – proved Jewish
When the Shabbos Goy of Sert-Viznitz started mumbling Nigunei Shabbos, the Chassidus decided to check his roots, at the end of which it became clear: Boris is a definite Jew
Moshe Weissberg, Behadrey Hareidim
18.10.12