The natural place for this verse seems to be before the 1 Samuel 2:11, after which the 1 Samuel 2:21 should probably come in; and after the 21st, perhaps the 1 Samuel 2:26 should follow.
blessed: Genesis 14:19, Genesis 27:27-29; Numbers 6:23-27; Ruth 2:12, Ruth 4:11
loan: or, petition which she asked, etc. 1 Samuel 1:27-28