Original: In the 1980s, Rabbi Yissachar Dov Rokeach, the fifth Belzer Rebbe, spearheaded plans for the huge synagogue to be erected in the Kiryat Belz neighborhood of Jerusalem.
Simplified: In the 1980s, Rabbi Yissachar Dov Rokeach (II) of Belz made plans for the huge synagogue to be built in the Kiryat Belz part of Jerusalem.