Judges 13:21

But the Angel of Jehovah did not appear any more to Manoah and to his wife. Then Manoah knew that He was an Angel of Jehovah.

Judges 6:22

And when Gideon saw that He was the Angel of Jehovah, Gideon said, Alas, O Lord God! Because I have seen the Angel of Jehovah face to face.

Judges 13:16

And the Angel of Jehovah said to Manoah, Though you keep Me, I will not eat of your bread. And if you will offer a burnt offering, you must offer it to Jehovah. For Manoah did not know that He was the Angel of Jehovah.

Hosea 12:4-5

Yes, he wept and cried to Him, and he had power over the Angel and overcame. 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 saw that He was the Angel of Jehovah, Gideon said, Alas, O Lord God! Because I have seen the Angel of Jehovah face to face.
Hosea 12:4
Yes, he wept and cried to Him, and he had power over the Angel and overcame. He found him in Bethel, and there He spoke with us,