1 Peter 3:19

Irenaeus Against Heresies Book IV

It was for this reason, too, that the Lord descended into the regions beneath the earth, preaching His advent there also, and [declaring] the remission of sins received by those who believe in Him.[385]

Clement of Alexandria Stromata Book VI

the Gospel to those that perished in the flood, or rather had been chained, and to those kept "in ward and guard"?[74]

Clement of Alexandria Stromata Book VI

though they are in Hades and in ward,[83]

Tertullian A Treatise on the Soul

With the same law of His being He fully complied, by remaining in Hades in the form and condition of a dead man; nor did He ascend into the heights of heaven before descending into the lower parts of the earth, that He might there make the patriarchs and prophets partakers of Himself.[313]

Hippolytus Dogmatical and Historical Fragments

of things in heaven, because He was born, the Word of God, before all (ages); and of things on earth, because He became man in the midst of men, to re-create our Adam through Himself; and of things under the earth, because He was also reckoned among the dead, preaching the Gospel to the souls of the saints,[67]