These are the sons
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 Shem
Shem (shame)
name; Shem, a son of Noah (often includ. his posterity) -- Sem, Shem.
after their families
mishpachah (mish-paw-khaw')
a family, i.e. circle of relatives; figuratively, a class (of persons), a species (of animals) or sort (of things); by extens. a tribe or people -- family, kind(-red).
after their tongues
lashown (law-shone')
the tongue (of man or animals), used literally (as the instrument of licking, eating, or speech), and figuratively (speech, an ingot, a fork of flame, a cove of water)
in their lands
'erets (eh'-rets)
the earth (at large, or partitively a land) -- common, country, earth, field, ground, land, natins, way, + wilderness, world.
after their nations
gowy (go'-ee)
a foreign nation; hence, a Gentile; also (figuratively) a troop of animals, or a flight of locusts -- Gentile, heathen, nation, people.