Original sentence: His followers claim that the title Rav Hatzair meant that he would be his brother's successor; while Rabbi Mordecai David Unger's followers claim that by Jewish Laws of inheritance a son-in-law inherits before a brother; and that the title given to Rabbi Halberstam, was meant only to postpone the succession dispute to after Rabbi Naftali Halberstam's death.Many Bobover Hasidim chose to follow him, while many others chose to follow Rabbi Mordecai David Unger the son-in-law of Rabbi Naftali Halberstam
Edited sentence: His followers claim that the title Rav Hatzair meant that he would be his brother's successor; while Rabbi Mordecai David Unger's followers claim that the title was meant only to postpone the succession dispute to after Rabbi Naftali Halberstam's death (an odd claim, since the Rebbes of Bobov always tried to avoid dispute).In the mean time, Rabbi Ben Zion functions as the Grand Rebbe of Bobov in the Main Bobover Synagogue.Many Bobover Hasidim chose to follow him, while many others chose to follow Rabbi Mordecai David Unger the son-in-law of Rabbi Naftali Halberstam, himself a scion of the Dombrover and Kartshiner dynasties.Presently, he is the Grand Rabbi of the Main Bobover Synagogue.Rabbi Mordecai David is the Grand Rebbe of his followers, who have already begun to set up new institutions for their new community, including two schools