Jewish Publication Society of America Version (JPS1917) - Isaiah 48:19 >

Thy seed also would be as the sand, and the offspring of thy body like the grains thereof; his name would not be cut off nor destroyed from before Me.

King James Version (KJV) - Isaiah 48:19 >

Thy seed also had been as the sand, and the offspring of thy bowels like the gravel thereof; his name should not have been cut off nor destroyed from before me.

Berean Study Bible (BSB) - Isaiah 48:19 >

Your descendants would have been as countless as the sand, and your offspring as numerous as its grains; their name would never be cut off or eliminated from My presence.”