What does 2 Samuel 21:8 mean?

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 bare to Adriel the son of Barzillai the Meholathite:

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:

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 bare to Adriel the son of Barzillai the Meholathite:

But the king took Armoni and Mephibosheth, the two sons of Saul to whom Rizpah, the daughter of Aiah, had given birth; and the five sons of Saul's daughter Merab, whose father was Adriel, the son of Barzillai the Meholathite:

and the king taketh the two sons of Rizpah daughter of Aiah, whom she bore to Saul, Armoni and Mephibosheth, and the five sons of Michal daughter of Saul whom she bare to Adriel son of Barzillai the Meholathite,

So the king took the two sons of Respha the daughter of Aia, whom she bore to Saul, Armoni, and Miphiboseth: and the five sons of Michol the daughter of Saul, whom she bore to Hadriel the son of Berzellai, that was of Molathi:

And the king took the two sons of Rizpah the daughter of Aiah, whom she had borne to Saul, Armoni and Mephibosheth; and the five sons of [the sister of] Michal the daughter of Saul, whom she had borne to Adriel the son of Barzillai the Meholathite;