an Entity references as follows:
Dov Tzvi Heller (1862 – 1935) commonly called by his Yiddish name, Ber Hirsch Heller, was a rabbi and mashgiach ruchani at the Slabodka Yeshiva in Europe, as well as the father-in-law of Rabbi Yaakov Kamenetzky and Rabbi Avraham Grodzinski.