Verses with the word child's in the Old Testament (3 verses):

Exodus 2:8
And Pharaoh's daughter said to her, Go. And the maid went and called the child's mother.

1 Kings 17:21
And he stretched himself upon the child three times, and cried unto the LORD, and said, O LORD my God, I pray thee, let this child's soul come into him again.

Job 33:25
His flesh shall be fresher than a child's: he shall return to the days of his youth: