For starters, Rav Chaim BERLIN (born either 1828 or 1832 & niftar in
1932) was the older half-brother of Rabbi Meir BAR ILAN.
Rav Chaim's two sisters (Sara Rasha, and when she died, Dreizel,
were married to Rav Refoel SHAPIRO, son-in-law of the "Netziv'
(Harav Naftali Tzvi BERLIN), who eventually became a Rosh Yeshiva
of the Volozhiner Yeshiva and was the father-in-law of Harav Chaim
SOLOVEITCHIK, the Brisker Rav and also a Rosh Yeshiva of the
(see Making of a Godol: a study of episodes in the lives of great
Torah personalities by Rabbi Nathan Kamenetsky)
As to Rav Baruch haLevi EPSTEIN, I came across information of a
daughter whose married name was Cecilia EPSTEIN BAKST.
Unfortunately I cannot locate the source, however I seem to recall
that this Cecilia EPSTEIN BAKST had a copyright on the printing of
the Torah T'mimah in 1928 and was referred to as a daughter.
Information on Rav Baruch haLevi EPSTEIN can be found in the
Mekor Baruch an autobiographical work on life in the Volozhin
written in Hebrew.
Rabbi Baruch Epstein (translated by Rabbi Moshe Dombey). My Uncle
the Netziv. Brooklyn, New York: Mesorah publications ltd, 1988.
Rabbi Barukh ha-Levi Epstein Author of Torah Temimah, Jerusalem
1967 by A. Z. Tarshish,
Rabbi Arye Don Gordon