21 But the angel of the LORD did no more appear to Manoah and to his wife. Then Manoah knew that he was an angel of the LORD.
Judges 13:21 Cross References - KJV
Judges 6:22
22 And when Gideon perceived that he was an angel of the LORD, Gideon said, Alas, O LORD God! for because I have seen an angel of the LORD face to face.
Judges 13:16
16 And the angel of the LORD said unto Manoah, Though thou detain me, I will not eat of thy bread: and if thou wilt offer a burnt offering, thou must offer it unto the LORD. For Manoah knew not that he was an angel of the LORD.