1 Samuel 1:5-6
1:5 But he would give a double portion to Hannah, because he especially loved her. Now the Lord had not enabled her to have children.
1:6 Her rival wife used to upset her and make her worry, for the Lord had not enabled her to have children.
1 Samuel 26:8
26:8 Abishai said to David, “Today God has delivered your enemy into your hands. Now let me drive the spear right through him into the ground with one swift jab! A second jab won’t be necessary!”