NPCs composing that spawngroup :

a_siren_enchantress (25%)

a_siren_enticer (25%)

a_siren_priestess (25%)

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

sirens_4, range=92 (-713,-646,-155)

sirens_6, range=90 (-566,-647,-152)

sirens_48, range=6 (-640,-695,-152)

sirens_60, range=83 (-713,-662,-47)

sirens_85, range=82 (-566,-662,-47)

a_siren_enchantress (50%)
a_siren_enticer (50%)

sirens_97, range=52 (-691,-695,-46)

sirens_98, range=42 (-668,-732,-58)

sirens_99, range=58 (-581,-695,-46)

sirens_100, range=43 (-610,-733,-58)

sirens_101, range=62 (-594,-657,-68)

sirens_103, range=43 (-663,-665,-60)

a_siren_enchantress (50%)
a_siren_enticer (50%)

sirens_104, range=43 (-614,-665,-60)

sirens_105, range=61 (-661,-644,-62)

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

sirens_118, range=42 (-640,-743,-164)

an_enthralled_bulthar (50%)
an_enthralled_bulthar (50%)

sirens_142, range=62 (-682,-656,-68)

sirens_145, range=37 (-638,-738,-25)

#Mistress_Latazura (100%)

sirens_231229, range=83 (-712,-661,-47)

sirens_231274, range=63 (-615,-642,-62)

a_watery_servant (100%)
a_watery_servant (100%)

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

an_icy_servant (100%)
an_icy_servant (100%)

sirens_231277, range=37 (-644,-664,-60)

sirens#Mistress_Latazura0002124999, range=37 (-638,-738,-27)

#Mistress_Latazura (100%)

sirens_231286, range=43 (-614,-665,-60)