Simeon
Shim`own (shim-one')
hearing; Shimon, one of Jacob's sons, also the tribe descended from him -- Simeon.
and Levi
Leviy (lay-vee')
attached; Levi, a son of Jacob -- Levi.
are brethren
'ach (awkh)
a brother (used in the widest sense of literal relationship and metaphorical affinity or resemblance (like 1) -- another, brother(-ly); kindred, like, other.
instruments
kliy (kel-ee')
something prepared, i.e. any apparatus (as an implement, utensil, dress, vessel or weapon) -- armour (-bearer), artillery, bag, carriage, + furnish, furniture, instrument, jewel, that is made of, one from another, that which pertaineth, pot, + psaltery, sack, stuff, thing, tool, vessel, ware, weapon, + whatsoever.
of cruelty
chamac (khaw-mawce')
violence; by implication, wrong; by meton. unjust gain -- cruel(-ty), damage, false, injustice, oppressor, unrighteous, violence (against, done), violent (dealing), wrong.
are in their habitations
mkerah (mek-ay-raw')
a sword -- habitation.