New Living Translation
I will preserve an heir for him; his throne will be as endless as the days of heaven.

American Standard Version
His seed also will I make to endure for ever, And his throne as the days of heaven.

Berean Study Bible
I will establish his line forever, his throne as long as the heavens endure.

Douay-Rheims Bible
And I will make his seed to endure for evermore: and his throne as the days of heaven.

English Revised Version
His seed also will I make to endure for ever, and his throne as the days of heaven.

King James Bible
His seed also will I make to endure for ever, and his throne as the days of heaven.

World English Bible
I will also make his seed endure forever, and his throne as the days of heaven.

Young's Literal Translation
And I have set his seed for ever, And his throne as the days of the heavens.

Psalm 89:29 Additional Translations ...