And it came to pass while there was war
milchamah  (mil-khaw-maw')
a battle (i.e. the engagement); generally, war (i.e. warfare) -- battle, fight(-ing), war(-rior).

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between the house
bayith  (bah'-yith)
a house (in the greatest variation of applications, especially family, etc.)

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of Saul
Sha'uwl  (shaw-ool')
asked; Shaul, the name of an Edomite and two Israelites -- Saul, Shaul.

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and the house
bayith  (bah'-yith)
a house (in the greatest variation of applications, especially family, etc.)

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of David
David  (daw-veed')
loving; David, the youngest son of Jesse -- David.

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that Abner
'Abner  (ab-nare')
father of light (i.e. enlightening); Abner, an Israelite -- Abner.

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made himself strong
chazaq  (khaw-zak')
to fasten upon; hence, to seize, be strong (figuratively, courageous, causatively strengthen, cure, help, repair, fortify), obstinate; to bind, restrain, conquer

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for the house
bayith  (bah'-yith)
a house (in the greatest variation of applications, especially family, etc.)

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of Saul
Sha'uwl  (shaw-ool')
asked; Shaul, the name of an Edomite and two Israelites -- Saul, Shaul.New American Standard Bible
It came about while there was war between the house of Saul and the house of David that Abner was making himself strong in the house of Saul.

King James Bible
And it came to pass, while there was war between the house of Saul and the house of David, that Abner made himself strong for the house of Saul.

Holman Christian Standard Bible
During the war between the house of Saul and the house of David, Abner kept acquiring more power in the house of Saul.

International Standard Version
While war continued between the dynasties of Saul and David, Abner was growing in influence within the dynasty of Saul.

NET Bible
As the war continued between the house of Saul and the house of David, Abner was becoming more influential in the house of Saul.

GOD'S WORD® Translation
During the war between the families of Saul and David, Abner strengthened his position in Saul's royal family.

King James 2000 Bible
And it came to pass, while there was war between the house of Saul and the house of David, that Abner made himself strong for the house of Saul.2 Samuel 3:6
2 Samuel 3:6 NIV
2 Samuel 3:6 NLT
2 Samuel 3:6 ESV
2 Samuel 3:6 NASB
2 Samuel 3:6 KJV