en_tn_condensed/1ch/17/11.md

when your days are fulfilled for you to go to your fathers

The two phrases "when your days are fulfilled" and "go to your fathers" have similar meanings and are combined for emphasis. They both are polite ways to refer to death and dying.

I will raise up your descendant after you

God appointing David's descendant is spoken of as if Yahweh would raise or lift him up.