Pope Celestine IV, born Goffredo da Castiglione or Goffredo Castiglioni, was head of the Catholic Church and ruler of the Papal States from 25 October 1241 to his death on 10 November 1241.
List of popes buried in St Peter's Basilica
The Septizodium was a building in ancient Rome. It was built in 203 AD by Emperor Septimius Severus.
3D reconstruction of the Septizodium
A fragment of the Septizonium is shown in this engraving dating to 1582.
Septizodium, plan de Rome de Paul Bigot, université de Caen MRSH