Speaking about R' Yechiel Michel Burstein, ABD Yednits: "His wife was the granddaughter of the late Rabbi Dov Ber, the Maggid from Mezeritch, and the family of Rabbi Nahum from Chernobyl." p.375, https://www.jewishgen.org/yizkor/yedintsy/yed0353.html#f375-1r
