Judges 13:21

But the angel of the LORD did not appear any more to Manoah and to his wife. Then Manoah knew that he was the angel of the LORD.

Judges 6:22

And when Gideon perceived that he was the angel of the LORD, Gideon said, Alas, O Lord GOD! for I have seen the angel of the LORD face to face.

Judges 13:16

And the angel of the LORD replied unto Manoah, Though thou detain me, I will not eat of thy bread, but if thou wilt offer a burnt offering, sacrifice it unto the LORD. For Manoah did not know that this was the angel of the LORD.

Hosea 12:4-5

yea, he dominated the angel and prevailed; he wept and made supplication unto him; he found him in Bethel, and there he spoke with us;

Treasury of Scripture Knowledge

Summary

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.

Bible References

Knew

Judges 6:22
And when Gideon perceived that he was the angel of the LORD, Gideon said, Alas, O Lord GOD! for I have seen the angel of the LORD face to face.
Hosea 12:4
yea, he dominated the angel and prevailed; he wept and made supplication unto him; he found him in Bethel, and there he spoke with us;