NPCs composing that spawngroup :

##_a_siren_beguiler (100%)

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

sirens_13, range=94 (24,-225,-23)

an_enthralled_bulthar (50%)
an_enthralled_bulthar (50%)

sirens_19, range=82 (110,-257,-1)

sirens_26, range=28 (112,-202,3)

an_enthralled_bulthar (100%)

sirens_28, range=0 (104,-175,-135)

sirens_29, range=33 (137,-175,-135)

sirens_30, range=74 (165,-133,-135)

sirens_38, range=88 (28,-129,-135)

a_siren_beguiler (100%)

sirens_57, range=90 (128,-88,-149)

a_neriad_mistress (100%)

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

a_neriad_mistress (50%)
a_neriad_mistress (50%)

sirens_80, range=18 (107,-193,3)

sirens_112, range=76 (179,-158,3)

sirens_113, range=61 (164,-161,3)

sirens_118, range=82 (132,-97,3)

an_enthralled_bulthar (50%)
an_enthralled_bulthar (50%)

sirens_120, range=37 (120,-141,-54)

sirens_121, range=48 (134,-137,-54)

a_siren_beguiler (50%)
a_siren_myrmidon (50%)

sirens_122, range=38 (87,-140,-54)

sirens_126, range=96 (36,-106,-80)

a_siren_templar (50%)
a_siren_templar (50%)

sirens_137, range=97 (7,-175,-135)

sirens_288182, range=76 (179,-158,3)

sirens_288184, range=94 (24,-225,-23)

##_an_enthralled_bulthar (100%)
##_an_enthralled_bulthar (100%)

sirens_288185, range=28 (112,-202,3)

##_an_enthralled_bulthar (75%)
##_an_enthralled_molkor (25%)

sirens_288186, range=82 (132,-97,3)

##_an_enthralled_bulthar (100%)

sirens_288200, range=90 (128,-88,-149)

##_a_neriad_mistress (60%)
##_a_neriad_weaver (40%)

sirens_288201, range=98 (119,-78,-153)

sirens_288202, range=18 (107,-193,3)

##_#a_massive_manatee (15%)
##_a_servant_manatee (85%)

sirens_288205, range=88 (28,-129,-135)

sirens_288209, range=96 (36,-106,-80)

##_a_siren_myrmidon (60%)
##_a_siren_templar (40%)

sirens_374555, range=70 (174,-182,6)