Judges 13:21

But the angel of Jehovah did no more appear to Manoah or to his wife. Then Manoah knew that he was the angel of Jehovah.

Judges 6:22

And Gideon saw that he was the angel of Jehovah; and Gideon said, Alas, O Lord Jehovah! forasmuch as I have seen the angel of Jehovah face to face.

Judges 13:16

And the angel of Jehovah said unto Manoah, Though thou detain me, I will not eat of thy bread; and if thou wilt make ready a burnt-offering, thou must offer it unto Jehovah. For Manoah knew not that he was the angel of Jehovah.

Hosea 12:4-5

yea, he had power over the angel, and prevailed; he wept, and made supplication unto him: he found him at Beth-el, and there he spake 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 Gideon saw that he was the angel of Jehovah; and Gideon said, Alas, O Lord Jehovah! forasmuch as I have seen the angel of Jehovah face to face.
Hosea 12:4
yea, he had power over the angel, and prevailed; he wept, and made supplication unto him: he found him at Beth-el, and there he spake with us,

American Standard Version Public Domain