New Revised Standard Version
Jonathan, David’s uncle, was a counselor, being a man of understanding and a scribe; Jehiel son of Hachmoni attended the king’s sons.

Contemporary English Version
David's uncle Jonathan was a wise and intelligent advisor. He and Jehiel the son of Hachmoni taught David's sons.

New American Bible
Jonathan, David’s uncle and a man of intelligence, was counselor and scribe; he and Jehiel, the son of Hachmoni, attended the king’s sons.

Douay-Rheims Bible
And Jonathan David's uncle, a counsellor, a wise and learned man: he and Jahiel the son of Hachamoni were with the king's sons.

And Jonathan David's uncle, a counsellor, a wise and learned man: he and Jahiel the son of Hachamoni were with the king's sons.

uncle

2 Samuel 13:3 Now Ammon had a friend, named Jonadab the son of Semmaa the brother of David, a very wise man:

2 Samuel 21:21 And he reproached Israel: and Jonathan the son of Samae the brother of David slew him.

nephew

1 Chronicles 11:11 And this is the number of the heroes of David: Jesbaam the son of Hachamoni the chief among the thirty: he lifted up his spear against three hundred wounded by him at one time.