The Roman Catechism of Trent p. 64-68.
The Creed, Article V, Section A.

On Holy Saturday, Christ emptied the Limbo of the Fathers. Only in the general-sense of “infernus” did Christ “descend into hell.” His suffering did not continue on Holy Saturday, as taught by the 20th century heretical Jesuit, Fr. Von Balthasar SJ.

See also:

Taylor Marshall on St. Thomas’ four levels of the underworld:
“First Things” journal on errors of Von Balthasar: