These are

1 Samuel 27:2, 6
So David set out with his six hundred men and went to Achish son of Maoch, the king of Gath. . . .

2 Samuel 1:1
After the death of Saul, David returned from the slaughter of the Amalekites and stayed in Ziklag two days.

2 Samuel 4:10
when someone told me, 'Look, Saul is dead' and thought he was a bearer of good news, I seized him and put him to death at Ziklag. That was his reward for his news!

while he yet, etc.

Deuteronomy 32:32
But their vine is from the vine of Sodom and from the fields of Gomorrah. Their grapes are poisonous; Their clusters are bitter.

1 Kings 14:10
Because of all this, behold, I am bringing disaster on the house of Jeroboam: I will cut off from Jeroboam every male, both slave and free in Israel; I will sweep away the house of Jeroboam as one sweeps away dung until it is gone!

1 Kings 21:21
This is what the LORD says: 'I will bring calamity on you and consume your descendants; I will cut off from Ahab every male in Israel, both slave and free.

2 Kings 9:8
The whole house of Ahab will perish, and I will cut off from Ahab all the males in Israel, both slave and free.

2 Kings 14:26
For the LORD saw that the affliction of the Israelites, both slave and free, was very bitter. There was no one to help Israel,

Saul

1 Chronicles 8:33
Ner was the father of Kish, Kish was the father of Saul, and Saul was the father of Jonathan, Malchishua, Abinadab, and Esh-baal.

1 Chronicles 9:39
Ner was the father of Kish, Kish was the father of Saul, and Saul was the father of Jonathan, Malchishua, Abinadab, and Esh-baal.

the mighty

1 Chronicles 11:10, 19, 24, 25
Now these were the chiefs of David's mighty men, who, together with all Israel, gave strong support to his kingdom, according to the word of the LORD concerning Israel. . . .