Complex sentence: Rabbi Berenbaum traveled with the remnants of the Yeshiva to the United States where they settled in their current location in Brooklyn, New York, where he became engaged to the eldest daughter of Rosh Yeshiva, Rabbi Avrohom Kalmanovitz.
Split into simpler sentences: Rabbi Berenbaum traveled with the remnants of the Yeshiva to the United States where they settled in their current location in Brooklyn, NY. There he became engaged to the eldest daughter of Rosh Yeshiva, Rabbi Avrohom Kalmanovitz.