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 Bigvai
Bigvay (big-vah'ee)
Bigvai, an Israelite -- Bigvai.
two thousand
'eleph (eh'-lef)
hence (the ox's head being the first letter of the alphabet, and this eventually used as a numeral) a thousand -- thousand.
threescore
shishshiym (shish-sheem')
sixty -- sixty, three score.
and seven
sheba` (sheh'-bah)
a primitive cardinal number; seven (as the sacred full one); also (adverbially) seven times; by implication, a week; by extension, an indefinite number
