Lo 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.
are an heritage
nachalah (nakh-al-aw')
something inherited, i.e. (abstractly) occupancy, or (concretely) an heirloom; generally an estate, patrimony or portion -- heritage, to inherit, inheritance, possession.
of the LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
and the fruit
priy (per-ee')
fruit -- bough, (first-) fruit(-ful), reward.
of the womb
beten (beh'-ten)
the belly, especially the womb; also the bosom or body of anything -- belly, body, + as they be born, + within, womb.
is his reward
sakar (saw-kawr')
payment of contract; concretely, salary, fare, maintenance; by implication, compensation, benefit -- hire, price, reward(-ed), wages, worth.