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 Bethlehem
Beyth Lechem (bayth leh'-khem)
house of bread; Beth-Lechem, a place in Palestine -- Beth-lehem.
an hundred
me'ah (may-aw')
a primitive numeral; a hundred; also as a multiplicative and a fraction -- hundred(-fold), -th), + sixscore.
twenty
`esriym (es-reem')
twenty; also (ordinal) twentieth -- (six-)score, twenty(-ieth).
and three
shalowsh (shaw-loshe')
masculine shlowshah {shel-o-shaw'}; or shloshah {shel-o-shaw'}; a primitive number; three; occasionally (ordinal) third, or (multipl.) thrice