Complex sentence: Sylvester Formey was introduced to Chabad by Rabbi Manis Friedman while attending college in the 1970s, and the family formally converted shortly before Reuben's bar mitzvah.
Split into simpler sentences: Sylvester Formey was introduced to Chabad by Rabbi Manis Friedman while attending college in the 1970s. The family formally converted shortly before Reuben's bar mitzvah.