 Nebenzahl's first wife, Shifra Nebenzahl (née Finkel), died on February 12, 2016.Rebbetzin Nebenzahl was a member of the Mirrer Yeshiva family; her paternal grandfather, Rabbi Eliezer Yehuda Finkel was its Rosh Yeshiva for 48 years.Her father, Rabbi Chaim Zev Finkel, was a Mashgiach ruchani of the yeshiva.