Frank was born in Kovno, Vilna Governorate, the son of Rabbi Yehuda Leib Frank and Malka Silman, who were active in the Hovevei Zion organization in Kovno.
Frank was born in Kovno, Vilna Governorate, to Rabbi Yehuda Leib Frank and Malka Silman, both members of the Hovevei Zion organization in Kovno.