'Child' in the Bible

So I said, "Oh, my dear people, put on sackcloth and roll in ashes. Mourn with painful sobs as though you had lost your only child. For any moment now that destructive army will come against us."

"So now the Lord, the God who rules over all, the God of Israel, asks, 'Why will you do such great harm to yourselves? Why should every man, woman, child, and baby of yours be destroyed from the midst of Judah? Why should you leave yourselves without a remnant?