NPCs composing that spawngroup :

a_siren_enticer (33%)

a_siren_priestess (33%)

a_siren_priestess (34%)

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

sirens_3, range=99 (-773,-617,-155)

a_coldspine_seahorse (50%)
a_neriad_maiden (50%)

sirens_4, range=32 (-713,-646,-155)

sirens_7, range=73 (-639,-596,-176)

sirens_48, range=57 (-640,-695,-152)

sirens_60, range=31 (-713,-662,-47)

sirens_85, range=74 (-728,-597,-78)

a_siren_enchantress (50%)
a_siren_enticer (50%)

sirens_97, range=40 (-691,-695,-46)

sirens_98, range=77 (-668,-732,-58)

sirens_101, range=88 (-594,-657,-68)

sirens_102, range=62 (-639,-701,-58)

sirens_103, range=21 (-663,-665,-60)

a_siren_enchantress (50%)
a_siren_enticer (50%)

sirens_104, range=68 (-614,-665,-60)

sirens_105, range=24 (-661,-644,-62)

sirens_106, range=67 (-616,-643,-62)

sirens_118, range=96 (-640,-743,-164)

an_enthralled_bulthar (50%)
an_enthralled_bulthar (50%)

sirens_145, range=93 (-638,-738,-25)

#Mistress_Latazura (100%)

sirens_231229, range=30 (-712,-661,-47)

sirens_231269, range=75 (-639,-594,-164)

a_coldspine_seahorse (99%)
Fellspine (1%)

sirens_231274, range=68 (-615,-642,-62)

a_watery_servant (100%)
a_watery_servant (100%)

sirens_231275, range=25 (-660,-643,-61)

an_icy_servant (100%)
an_icy_servant (100%)

sirens_231277, range=38 (-644,-664,-60)

sirens#Mistress_Latazura0002124999, range=93 (-638,-738,-27)

#Mistress_Latazura (100%)

sirens_231286, range=68 (-614,-665,-60)