NPCs composing that spawngroup :

a_siren_beguiler (33%)

a_siren_myrmidon (34%)

a_siren_templar (33%)

NPCs spawning around that spawngroup :
(Max range : 100)

sirens_1, range=83 (204,-126,-181)

sirens_19, range=86 (110,-257,-1)

sirens_26, range=36 (112,-202,3)

an_enthralled_bulthar (100%)

sirens_28, range=33 (104,-175,-135)

sirens_30, range=50 (165,-133,-135)

sirens_57, range=87 (128,-88,-149)

a_neriad_mistress (100%)

sirens_69, range=96 (201,-103,-181)

sirens_71, range=98 (119,-78,-153)

a_neriad_mistress (50%)
a_neriad_mistress (50%)

sirens_80, range=34 (107,-193,3)

sirens_112, range=45 (179,-158,3)

sirens_113, range=30 (164,-161,3)

sirens_118, range=78 (132,-97,3)

an_enthralled_bulthar (50%)
an_enthralled_bulthar (50%)

sirens_120, range=38 (120,-141,-54)

a_siren_myrmidon (50%)
a_siren_templar (50%)

sirens_121, range=38 (134,-137,-54)

a_siren_beguiler (50%)
a_siren_myrmidon (50%)

sirens_122, range=61 (87,-140,-54)

sirens_138, range=71 (200,-142,-135)

sirens_223847_takp_import_v0, range=62 (187,-138,-135)

sirens_223834_takp_import_v0, range=85 (110,-256,-1)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_223869_takp_import_v0, range=39 (134,-136,-54)

sirens_a_neriad_maiden26_takp_import_v0, range=85 (202,-120,-143)

a_neriad_maiden (100%)

sirens_223854_takp_import_v0, range=96 (202,-104,-143)

a_neriad_maiden (50%)
a_neriad_mistress (50%)

sirens_a_neriad_mistress10_takp_import_v0, range=77 (184,-114,-143)

a_neriad_mistress (100%)

sirens_a_siren_enticer8_takp_import_v0, range=61 (87,-139,-54)

a_siren_enticer (100%)

sirens_223843_takp_import_v0, range=33 (104,-174,-135)

sirens_223858_takp_import_v0, range=34 (107,-192,3)

a_servant_sea_elephant (50%)
a_servant_walrus (50%)

sirens_223859_takp_import_v0, range=30 (164,-160,3)

a_servant_manatee (50%)
a_servant_sea_elephant (50%)

sirens_a_servant_walrus127_takp_import_v0, range=45 (179,-157,3)