Sheikh Halil Becirmani (1916, Gerçüş – 8 February 2002), a sheikh of the Naqshbandi-Khalidi order via the Halid al-Jazari/Seyda branch, received ijaza from Sheikh Muhammed Said Seyda al-Jazari in 1953. In Sümer town, Dargeçit, he built a mosque and seminary and mediated tribal disputes. His tomb is at the town entrance. (Sources: evliyalar.net; Siirt Haberci)