2 Samuel 21:8

So the king took the two sons of Rizpah the daughter of Aiah, Armoni and Mephibosheth whom she had borne to Saul, and the five sons of Merab the daughter of Saul, whom she had borne to Adriel the son of Barzillai the Meholathite.

1 Samuel 18:19

So it came about at the time when Merab, Saul’s daughter, should have been given to David, that she was given to Adriel the Meholathite for a wife.

2 Samuel 3:7

Now Saul had a concubine whose name was Rizpah, the daughter of Aiah; and Ish-bosheth said to Abner, “Why have you gone in to my father’s concubine?”

Treasury of Scripture Knowledge

Summary

2 Samuel 21:8

But the king took the two sons of Rizpah the daughter of Aiah, whom she bare unto Saul, Armoni and Mephibosheth; and the five sons of Michal the daughter of Saul, whom she brought up for Adriel the son of Barzillai the Meholathite:

Michal

1 Samuel 18:19

Bible References

Michal

So it came about at the time when Merab, Saul’s daughter, should have been given to David, that she was given to Adriel the Meholathite for a wife.