It stands on a foundation that dates back to the time of St. Ambrose(340 397), first bishop of Milan and one of the Church's four founding fathers with Peter, Paul, and Jerome; his remains are on view in the crypt.
St. Ambrose, who was born in the 5th century, was a bishop in Rome.
mnli hypothesis: St. Ambrose, who was born in the 5th century, was a bishop in Rome. premise: It stands on a foundation that dates back to the time of St. Ambrose(340 397), first bishop of Milan and one of the Church's four founding fathers with Peter, Paul, and Jerome; his remains are on view in the crypt.