Just a side note here regarding that practice of "exposing" unwanted infants to the elements, or leaving them at temples or church steps at night. Some died; some were found and nurtured, or made slaves. The ones saved by priestesses or nuns were sometimes given the surname "Esposito" (exposed) on their birth records; others came to be known by the name "Schiavo", which means "slave."
That practice was rampant and one of the great contributions of the early Christian church was to take care of those little ones.
It's a very cool church, for one thing it's round. For another it isn't on a street - it's down a maze of alleys and courtyards, no vehicular traffic. Oliver Goldsmith is buried in the courtyard next to the altar end.