'Known' in the Bible

For I have known him, to the end that he may command his children and his household after him, that they may keep the way of Yahweh, to do righteousness and justice; to the end that Yahweh may bring on Abraham that which he has spoken of him."

The young lady was very beautiful to look at, a virgin, neither had any man known her. She went down to the spring, filled her pitcher, and came up.

and when they had eaten them up, it couldn't be known that they had eaten them, but they were still ugly, as at the beginning. So I awoke.

and the plenty will not be known in the land by reason of that famine which follows; for it will be very grievous.

Then Joseph couldn't control himself before all those who stood before him, and he cried, "Cause everyone to go out from me!" No one else stood with him, while Joseph made himself known to his brothers.