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|Sufism and Tariqa|
Celvetîyye Tariqat or Jelveti is the name of a Sufi order that was founded by "Akbıyık Sultan", a murid of Hacı Bayram-ı Veli in Bursa as "The tariqat of Bayramiyye-î Celvetîyye" and later reorganized by the Turkish saint Aziz Mahmud Hudayi.
It shares the same spiritual chain as the Khalwati order and thus there are many similarities between them. The two orders split however with Sheikh Zahed Gilani, where the Jelveti order then goes on to Hajji Bayram and Aziz Mahmud Hudayi.
Aziz Mahmud Hudayi was amongst the most famous of all Ottoman Sufi's being the Sheikh of Sultan Ahmed I who constructed the famous Blue Mosque. Aziz Mahmud Hudayi read the first Friday prayer in this Mosque on its opening.
Amongst the most famous of Jelveti Sheikhs are Ismail Hakki Bursevi of Bursa and Sheikh Musafa Devati.