NPCs composing that spawngroup :

a_Broken_Skull_mosquito (33%)

a_cast_out_scavenger (33%)

a_lucky_scavenger (34%)

NPCs spawning around that spawngroup :
(Max range : 200)

gunthak2240105, range=140 (-720,30,19)

gunthak2240338, range=110 (-784,-190,19)

gunthak2240339, range=127 (-651,-223,19)

an_emaciated_zombie (50%)
a_savage_skeletal_sailor (50%)

gunthak2240352, range=174 (-724,-283,20)

a_pestilent_troll_zombie (50%)
a_vicious_skeleton (50%)

gunthak2240355, range=98 (-730,-205,19)

an_emaciated_zombie (50%)
a_vicious_skeleton (50%)

gunthak2240366, range=106 (-807,-150,19)

an_emaciated_zombie (50%)
a_deadly_skeletal_sailor (50%)

gunthak2240380, range=32 (-731,-85,20)

gunthak2240382, range=62 (-718,-47,19)