But the One (Jesus) that God raised from death did not rot in the grave.
But God raised him up from death!
We are their children (descendants), and God has made this promise come true for us. God did this by raising Jesus from death. We also read about this in Psalm 2:
Jesus suffered the pain of death, but God made him free. God raised Jesus from death. Death could not hold Jesus.
because you will not leave me\par in the place of death. {\cf2\super [31]} \par You will not let the body of your Holy One rot in the grave.\par