Adverb pothen ([from] where, how?) in the Gospels-Acts

(Translation from NRSV with a few modifications for a more literal meaning)

Matthew

13: 27And the slaves of the householder came and said to him, 'Master, did you not sow good seed in your field? Where (pothen), then, did these weeds come from?'
13: 54He came to his hometown and began to teach the people in their synagogue, so that they were astounded and said, "Where (pothen) did this man get this wisdom from and these deeds of power?
13: 56And are not all his sisters with us? Where (pothen) then did this man get all this from?"
15: 33The disciples said to him, "Where (pothen) are we to get enough bread in the desert to feed so great a crowd?"
21: 25Where (pothen) did the baptism of John come from, from heaven, or was it of human origin?" And they argued with one another, "If we say, 'From heaven,' he will say to us, 'Why then did you not believe him?'

Mark

6: 2On the sabbath he began to teach in the synagogue, and many who heard him were astounded. They said, "Where (pothen) did this man get all this from? What is this wisdom that has been given to him? What deeds of power are being done by his hands!
8: 4His disciples replied, "How (pothen) can one feed these people with bread here in the desert?"
12: 37David himself calls him Lord; so how (pothen) can he be his son?" And the large crowd was listening to him with delight.

Luke

1: 43And how (pothen) has this happened to me, that the mother of my Lord comes to me?
13: 25When once the owner of the house has got up and shut the door, and you begin to stand outside and to knock at the door, saying, 'Lord, open to us,' then in reply he will say to you, 'I do not know where (pothen) you come from.'
13: 27But he will say, 'I do not know where (pothen) you come from; go away from me, all you evildoers!'
20: 7So they answered that they did not know where (pothen) it came from.

John

1: 48Nathanael asked him, "Where (pothen) did you get to know me from?" Jesus answered, "I saw you under the fig tree before Philip called you."
2: 9When the steward tasted the water that had become wine, and did not know where (pothen) it came from (though the servants who had drawn the water knew), the steward called the bridegroom
3: 8The wind blows where it chooses, and you hear the sound of it, but you do not know where (pothen) it comes from or where it goes. So it is with everyone who is born of the Spirit."
4: 11The woman said to him, "Sir, you have no bucket, and the well is deep. Where (pothen) do you get that living water from?
6: 5When he looked up and saw a large crowd coming toward him, Jesus said to Philip, "Where (pothen) are we to buy bread from for these people to eat?"
7: 27Yet we know where (pothen) this man is from; but when the Messiah comes, no one will know where (pothen) he is from."
7: 28Then Jesus cried out as he was teaching in the temple, "You know me, and you know where (pothen) I am from. I have not come on my own. But the one who sent me is true, and you do not know him.
8: 14Jesus answered, "Even if I testify on my own behalf, my testimony is valid because I know where (pothen) I have come from and where I am going, but you do not know where (pothen) I come from or where I am going.
9: 29We know that God has spoken to Moses, but as for this man, we do not know where (pothen) he comes from."
9: 30The man answered, "Here is an astonishing thing! You do not know where (pothen) he comes from, and yet he opened my eyes.
19: 9He entered his headquarters again and asked Jesus, "Where (pothen) are you from?" But Jesus gave him no answer.