1 Chronicles 12:1

And these following came to David to Ziklag, while he yet kept himself close for fear of Saul the son of Kish: and they were of the men that succored the battle,

1 Samuel 27:2-6

And David arose, and he and the six hundred men that were with him went unto Achish, the son of Maoch, king of Gath.

2 Samuel 1:1

After the death of Saul, when David was returned from the slaughter of the Amalekites and had been two days in Ziklag:

2 Samuel 4:10

him that told me how that Saul was dead, thinking to have brought me good tidings, I caught and slew in Ziklag, to give him a reward for his tidings-bringing.

1 Chronicles 8:33

And Ner begat Kisk, and Kish, Saul, and Saul begat Jonathan, Malchishua, Abinadab and Eshbaal.

1 Chronicles 9:39

And Ner begat Kish, and Kish, Saul. And Saul begat Jonathan, Malchishua, Abinadab and Eshbaal.

1 Chronicles 11:10

These are the principal men of power that clave to David in his kingdom with all Israel, to make him king upon Israel according to the word of the LORD.

1 Chronicles 11:19

and said, "God forbid it me, that I should do this thing, that I should drink the blood of these men that have put their lives in Jeopardy." For with the Jeopardy of their lives they brought it, and therefore he would not drink it. This did the three mightiest.

1 Chronicles 11:24-25

Such things did Benaiah the son of Jehoiada, and had a name with the three mightiest,

Treasury of Scripture Knowledge

Summary

Now these are they that came to David to Ziklag, while he yet kept himself close because of Saul the son of Kish: and they were among the mighty men, helpers of the war.

The mighty

Bible References

These are

1 Samuel 27:2
And David arose, and he and the six hundred men that were with him went unto Achish, the son of Maoch, king of Gath.
2 Samuel 1:1
After the death of Saul, when David was returned from the slaughter of the Amalekites and had been two days in Ziklag:
2 Samuel 4:10
him that told me how that Saul was dead, thinking to have brought me good tidings, I caught and slew in Ziklag, to give him a reward for his tidings-bringing.

Saul

1 Chronicles 8:33
And Ner begat Kisk, and Kish, Saul, and Saul begat Jonathan, Malchishua, Abinadab and Eshbaal.
1 Chronicles 9:39
And Ner begat Kish, and Kish, Saul. And Saul begat Jonathan, Malchishua, Abinadab and Eshbaal.

The mighty

1 Chronicles 11:10
These are the principal men of power that clave to David in his kingdom with all Israel, to make him king upon Israel according to the word of the LORD.