Complex sentence: Rabbi Mordechai David Unger as their "Rebbe" (אדמו "ר) and Rabbi Yehoshua Rubin as their" Ruv "(אבד" ק); while many others have become followers of the late Grand Rabbi's brother, Rabbi Ben Zion Aryeh Leibish Halberstam.
Split into simpler sentences: Rabbi Mordechai David Unger as their "Rebbe" (אדמו "ר) and Rabbi Yehoshua Rubin as their" Ruv "(אבד" ק). Many others have become followers of the late Grand Rabbi's brother, Rabbi Ben Zion Aryeh Leibish Halberstam.