The Séwir (lit. “seaweed“) is a group of nine priestesses from South Korea. The Séwir consists of the High Priest, Justice, Sacrifice, King, Redeemer, Deliverer, Saviour, Judger and the Lawgiver. Each Séwir member is named for the role of Christ the member represents. In Sep 2014, the Justice retired from the Séwir but she continued being a priestess and Nebaioth member.
Séwir members (the SNSD and Twice members listed here are only associationary)
| Role of Christ | Date of Birth | Scarab | Nahuatl name | A. SNSD member | A. Twice member | Chief Angel |
 High Priest | March 9, 1989 | 김태연 | Mixcoatl |  Taeyeon | Nayeon | – |
 Justice | April 18, 1989 | 정수연 | Mictecacihuatl |  Jessica | Sana | Uriel (Peter) |
 Sacrifice | May 15, 1989 | 이순규 | Ayotl |  Sunny | Dahyun | – |
 King | August 1, 1989 | 황미영 | Ixtlilxochitl |  Tiffany | Mina | Raguel (Moses) |
 Redeemer | September 22, 1989 | 김효연 | Tezcatlipoca |  Hyoyeon | Jihyo | Sariel (Abel) |
 Deliverer | December 5, 1989 | 권유리 | Mictlantecuhtli |  Yuri | Jeongyeon | Raphael (Enoch) |
 Saviour Pharer | February 10, 1990 | 최수영 | Quetzalcoatl |  Sooyoung | Chaeyoung | Phanuel (Joseph Smith) |
 Judger | May 30, 1990 | 임윤아 | Huitzilopochtli |  Yoona | Tzuyu | Gabriel (Noah) |
 Lawgiver | June 28, 1991 | 서주현 | Xipe Totec |  Seohyun | Momo | Michael (Adam) |