From the Heidelberg Catechism (1563), the questions covering that part of the Apostles' Creed "suffered under Pontius Pilate, was crucified, dead, and buried

Q.37 What do you understand by the word "suffered"?
A. That throughout his life on earth, but especially at the end of it, he bore in body and soul the wrath of God against the sin of the whole human race, so that by his suffering, as the only expiatory sacrifice, he might redeem our body and soul from everlasting damnation, and might obtain for us God's grace, righteousness, and eternal life.

Q38 Why did he suffer "under Pontius Pilate" as his judge?
A. That he, being innocent, might be condemned by an earthly judge, and thereby set us free from the judgment of God which, in all its severity, ought to fall upon us.

Q39 I there something more in his having been crucified than if he had died some other death?
A. Yes, for by this I am assured that he took upon himself the curse which lay upon me, because the death of the cross was cursed by God.

Q40 Why did Christ have to suffer "death"?
A. Because the righteousness and truth of God are such that nothing else could make reparation for our sins except the death of the Son of God.

Q41 Why was he "buried"?
A. To confirm the fact that he was really dead.

Q42 Since, then Christ died for us, why must we also die?
A. Our death is not a reparation for our sins, but only a dying to sin and an entering into eternal life.

Q43 What further benefit do we receive from the sacrifice and death of Christ on the cross?
A. That by his power our old self is crucified, put to death, and buried with him, so that the evil passions of our mortal bodies may reign in us no more, but that we may offer ourselves to him as a sacrifice of thanksgiving.