'Knew' in the Bible

"I knew you before I formed you in the womb; I set you apart for me before you were born; I appointed you to be a prophet to the nations."

""This is what the LORD of the Heavenly Armies, the God of Israel, says: "I'm about to bring a disaster on this place that will make the ears of all who hear about it tingle. For they have forsaken me and have treated this place as foreign. In it they have burned incense to other gods that neither they, their ancestors, nor the kings of Judah knew. They have also filled this place with the blood of innocent people.

"Then my cousin Hanamel came to me in the courtyard of the guard just as the LORD had said, and he told me, "Please buy my field in Anathoth in the territory of Benjamin because you have the right to possess it, and the right to redeem it belongs to you. Buy it for yourself.' So I knew that this was a message from the LORD.

Now on the day after Gedaliah was killed, when as yet no one knew about it,

Then all the men who knew that their wives were offering sacrifices to other gods and all the women who were standing by a large group, including all the people who were living in the land of Egypt in Pathros answered Jeremiah: