New Revised Standard Version
Then the LORD will establish his word that he spoke concerning me: ‘If your heirs take heed to their way, to walk before me in faithfulness with all their heart and with all their soul, there shall not fail you a successor on the throne of Israel.’

Contemporary English Version
You and your descendants must always faithfully obey the LORD. If you do, he will keep the solemn promise he made to me that someone from our family will always be king of Israel.

New American Bible
and that the LORD may fulfill the word he spoke concerning me: If your sons so conduct themselves that they walk before me in faithfulness with their whole heart and soul, there shall never be wanting someone of your line on the throne of Israel.

Douay-Rheims Bible
That the Lord may confirm his words, which he hath spoken of me, saying: If thy children shall take heed to their ways, and shall walk before me in truth, with all their heart, and with all their soul, there shall not be taken away from thee a man on the throne of Israel.

That the Lord may confirm his words, which he hath spoken of me, saying: If thy children shall take heed to their ways, and shall walk before me in truth, with all their heart, and with all their soul, there shall not be taken away from thee a man on the throne of Israel.

That the Lord

Genesis 18:19 For I know that he will command his children, and his household after him, to keep the way of the Lord, and do judgment and justice: that for Abraham's sake, the Lord may bring to effect all the things he hath spoken unto him.

Deuteronomy 7:12 If after thou hast heard these judgments, thou keep and do them, the Lord thy God will also keep his covenant to thee, and the mercy which he swore to thy fathers:

1 Chronicles 28:9 And thou my son Solomon, know the God of thy father, and serve him with a perfect heart, and a willing mind: for the Lord searcheth all hearts, and understandeth all the thoughts of minds. If thou seek him, thou shalt find him: but if thou forsake him, he will cast thee off for ever.

John 15:9,10 As the Father hath loved me, I also have loved you. Abide in my love. . . .

Jude 1:20,21,24 But you, my beloved, building yourselves upon your most holy faith, praying in the Holy Ghost, . . .

his word

2 Samuel 7:11-16,25 From the day that I appointed judges over my people Israel: and I will give thee rest from all thy enemies. And the Lord foretelleth to thee, that the Lord will make thee a house. . . .

1 Chronicles 17:11-15 And when thou shalt have ended thy days to go to thy fathers, I will raise up thy seed after thee, which shall be of thy sons: and I will establish his kingdom. . . .

1 Chronicles 22:9-11 The son, that shall be born to thee, shall be a most quiet man: for I will make him rest from all his enemies round about: and therefore he shall be called Peaceable: and I will give peace and quietness to Israel all his days. . . .

1 Chronicles 28:5-7 And among my sons (for the Lord hath given me many sons) he hath chosen Solomon my son, to sit upon the throne of the kingdom of the Lord over Israel. . . .

Psalm 89:29-37 And I will make his seed to endure for evermore: and his throne as the days of heaven. . . .

Psalm 132:11,12 The Lord hath sworn truth to David, and he will not make it void: of the fruit of thy womb I will set upon thy throne. . . .

walk

1 Kings 3:3,14 And Solomon loved the Lord, walking in the precepts of David, his father; only he sacrificed in the high places, and burnt incense. . . .

1 Kings 8:23 And said: Lord God of Israel, there is no God like thee, in heaven above, or on the earth beneath: who keepest covenant and mercy with thy servants, that have walked before thee with all their heart:

Genesis 17:1 And after he began to be ninety and nine years old, the Lord appeared to him: and said unto him: I am the Almighty God: walk before me, and be perfect.

Leviticus 26:3 If you walk in my precepts, and keep my commandments, and do them, I will give you rain in due seasons.

2 Kings 20:3 I beseech thee, O Lord, remember how I have walked before thee in truth, and with a perfect heart, and have done that which is pleasing before thee. And Ezechias wept with much weeping.

2 Kings 23:3,25 And the king stood upon the step: and he made a covenant with the Lord, to walk after the Lord, and to keep his commandments, and his testimonies, and his ceremonies, with all their heart, and with all their soul, and to perform the words of this covenant, which were written in that book: and the people agreed to the covenant. . . .

2 Chronicles 17:3 And the Lord was with Josaphat, because he walked in the first ways of David his father: and trusted not in Baalim,

Luke 1:6 And they were both just before God, walking in all the commandments and justifications of the Lord without blame.

with all their heart

Deuteronomy 6:5 Thou shalt love the Lord thy God with thy whole heart, and with thy whole soul, and with thy whole strength.

Deuteronomy 10:12 And now, Israel, what doth the Lord thy God require of thee, but that thou fear the Lord thy God, and walk in his ways, and love him, and serve the Lord thy God, with all thy heart, and with all thy soul:

Deuteronomy 11:13 If then you obey my commandments, which I command you this day, that you love the Lord your God, and serve him with all your heart, and with all your soul:

Matthew 22:37 Jesus said to him: Thou shalt love the Lord thy God with thy whole heart and with thy whole soul and with thy whole mind.

fail, etc.

1 Kings 8:25 Now, therefore, O Lord God of Israel, keep with thy servant David, my father, what thou hast spoken to him, saying: There shall not be taken away of thee a man in my sight, to sit on the throne of Israel: yet so that thy children take heed to their way, that they walk before me as thou hast walked in my sight.

2 Samuel 7:12,13,16 And when thy days shall be fulfilled, and thou shalt sleep with thy fathers, I will raise up thy seed after thee, which shall proceed out of the bowels, and I will establish his kingdom. . . .

Psalm 37:9,22 For evildoers shall be cut off: but they that wait upon the Lord, they shall inherit the land. . . .

Zechariah 14:2 And I will gather all nations to Jerusalem to battle, and the city shall be taken, and the houses shall be rifled, and the women shall be defiled: and half of the city shall go forth into captivity, and the rest of the people shall not be taken away out of the city.