NPCs composing that spawngroup :

a_barbed_bone_skeleton (33%)

a_carrion_ghoul (34%)

a_dry_bone_skeleton (33%)

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

unrest_a_crazed_ghoul121, range=93 (496,45,19)

a_crazed_ghoul (100%)
a_crazed_ghoul (100%)

unrest_a_ghoul4, range=49 (595,-40,5)

unrest_an_undead_brewer26, range=59 (640,22,6)

an_undead_brewer (100%)

unrest_a_barbed_bone_skeleton65, range=96 (501,60,20)

a_barbed_bone_skeleton (100%)

unrest_tormented_dead2, range=87 (606,-76,3)

unrest_a_skeletal_monk9, range=72 (600,-62,-25)

unrest_Torklar_Battlemaster25, range=75 (612,-61,7)

Torklar_Battlemaster (100%)

unrest_dark_boned_skeleton91, range=92 (672,-12,7)

unrest_a_carrion_ghoul7, range=62 (640,-15,48)

a_carrion_ghoul (100%)

unrest_a_lurking_mummy92, range=63 (562,-52,6)

unrest_a_festering_hag5, range=89 (519,72,-68)

a_festering_hag (100%)
a_festering_hag (100%)

unrest_Khrix_Fritchoff13, range=54 (595,61,17)

Khrix_Fritchoff (100%)

unrest_222222, range=43 (546,-17,3)

Unrest Undead Barkeep, range=97 (668,-38,39)

unrest_222224, range=24 (572,-14,47)

a_dry_bone_skeleton (50%)
a_reanimated_hand (50%)

unrest_222227, range=94 (504,62,44)

a_ghoul (90%)
a_priest_of_najena (10%)

unrest_224009, range=34 (614,21,48)

a_carrion_ghoul (50%)
a_dry_bone_skeleton (50%)

unrest_224010, range=47 (571,-38,20)

a_carrion_ghoul (70%)
a_skeletal_monk (30%)

unrest_224012, range=29 (554,0,47)

unrest_224013, range=64 (616,63,19)

unrest_224014, range=56 (557,59,-19)

unrest_224015, range=67 (532,53,-57)

a_festering_hag (50%)
a_greater_dark_bone (50%)

unrest_224019, range=96 (669,49,-11)

unrest_224021, range=67 (637,-31,-24)

unrest_224023, range=70 (582,-62,-10)