Judges 13:21

The angel of the LORD appeared no more to Mano'ah and to his wife. Then Mano'ah knew that he was the angel of the LORD.

Judges 6:22

Then Gideon perceived that he was the angel of the LORD; and Gideon said, "Alas, O Lord GOD! For now I have seen the angel of the LORD face to face."

Judges 13:16

And the angel of the LORD said to Mano'ah, "If you detain me, I will not eat of your food; but if you make ready a burnt offering, then offer it to the LORD." (For Mano'ah did not know that he was the angel of the LORD.)

Hosea 12:4-5

Yea, he wrestled with 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
Then Gideon perceived that he was the angel of the LORD; and Gideon said, "Alas, O Lord GOD! For now I have seen the angel of the LORD face to face."
Hosea 12:4
Yea, he wrestled with the Angel, and prevailed; he wept, and made supplication unto him: he found him in Bethel, and there he spoke with us,