Judges 13:5
for behold, you shall conceive and bear a son. No razor shall come upon his head, for the child shall be a Nazirite to God from the womb, and he shall begin to save Israel from the hand of the Philistines."
Numbers 6:5
"All the days of his vow of separation, no razor shall touch his head. Until the time is completed for which he separates himself to the LORD, he shall be holy. He shall let the locks of hair of his head grow long.
1 Samuel 1:11
And she vowed a vow and said, "O LORD of hosts, if you will indeed look on the affliction of your servant and remember me and not forget your servant, but will give to your servant a son, then I will give him to the LORD all the days of his life, and no razor shall touch his head."
1 Samuel 7:13
So the Philistines were subdued and did not again enter the territory of Israel. And the hand of the LORD was against the Philistines all the days of Samuel.
Numbers 6:2-3
"Speak to the people of Israel and say to them, When either a man or a woman makes a special vow, the vow of a Nazirite,to separate himself to the LORD,
2 Samuel 8:1
After this David defeated the Philistines and subdued them, and David took Metheg-ammah out of the hand of the Philistines.
1 Chronicles 18:1
After this David defeated the Philistines and subdued them, and he took Gath and its villages out of the hand of the Philistines.