And the children
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
of Israel
Yisra'el (yis-raw-ale')
he will rule as God; Jisrael, a symbolical name of Jacob; also (typically) of his posterity: --Israel.
took all the women
'ishshah (ish-shaw')
irregular plural, nashiym {naw-sheem'}; a woman
of Midian
Midyan (mid-yawn')
Midjan, a son of Abraham; also his country and (collectively) his descendants -- Midian, Midianite.
captives
shabah (shaw-baw')
to transport into captivity -- (bring away, carry, carry away, lead, lead away, take) captive(-s), drive (take) away.
and their little ones
taph (taf)
a family (mostly used collectively in the singular) -- (little) children (ones), families.
and took the spoil
bazaz (baw-zaz')
to plunder -- catch, gather, (take) for a prey, rob(-ber), spoil, take (away, spoil), utterly.
of all their cattle
bhemah (be-hay-maw')
a dumb beast; especially any large quadruped or animal (often collective) -- beast, cattle.
and all their flocks
miqneh (mik-neh')
something bought, i.e. property, but only livestock; abstractly, acquisition -- cattle, flock, herd, possession, purchase, substance.
and all their goods
chayil (khah'-yil)
probably a force, whether of men, means or other resources; an army, wealth, virtue, valor, strength