Complex sentence: Dr. Azmayesh was admitted into the lineage of initiates of the Nematollahi-Gonabadi order in 1969, which is the most popular and oldest Sufi order in Iran.
Split into simpler sentences: Dr. Azmayesh was admitted in the lineage of initiates of the Nematollahi-Gonabadi order in 1969. This is the most popular and oldest Sufi order in Iran.