15 You, however, will go to your ancestors in peace and be buried at a good old age.

Read Genesis 15:15 Using Other Translations

And thou shalt go to thy fathers in peace; thou shalt be buried in a good old age.
As for yourself, you shall go to your fathers in peace; you shall be buried in a good old age.
(As for you, you will die in peace and be buried at a ripe old age.)