Then shalt thou say in thine heart, Who hath begotten me these, seeing I have lost my children, and am desolate, a captive, and removing to and fro? and who hath brought up these? Behold, I was left alone; these, where had they been?
Then shalt thou say in thine heart, Who hath begotten me these, seeing I have lost my children? - Zion's joyful wonder at the unexpected restoration of the Ten tribes. Secondarily, the accession of spiritual Israelites to the mother-church of Jerusalem from the Gentiles is meant. This created surprise at first (Acts 10:45; Acts 14:27; Acts 15:3-4).
And am desolate, a captive, and removing to and fro - or, 'and removed;' i:e., put away, wªcuwraah (H5493); pual participle, meaning the same as the Hophal (Maurer). She had been 'put away' by Yahweh, her husband (Isaiah 50:1); hence, her wonder at the children begotten to her.