From - Sefer Hatoldos Admur Maharash. Translated from the writings of the Lubavitcher Rebbe, Rabbi Menachem M. Schneerson:

Rav Menachem Mendel:

He was born on 6 Adar 5627. His first marriage — to Ms. Schreiber, a descendant of the Chasam Sofer — took place in Lubavitch after the festival of Shavuos 5642. His second wife was Basyah, daughter of the gaon and chassid Reb Nachum Dov Ber, son of the Rebbe R. Yosef Yitzchak of Avrutch, son of the Tze­mach Tzedek. His third wife was Yehudis Kossman.

His children from his second marriage were: a son, Yisrael Dov Ber; daughters, Mussia (who died as a young child) and Chanah (Ozerman).

His children from his third marriage were a son, Binyamin (who died while still a young boy) and a daughter Mandeleh (Edmah).