Gervasius and Protasius are venerated as Christian martyrs, probably of the 2nd century. They are the patron saints of Milan and of haymakers and are invoked for the discovery of thieves. Their feast
"The martyrdom of Saints Gervase and Protase," from a 14th-century manuscript.
Gervasius and Protasius, by Philippe de Champaigne
The crypt in Sant'Ambrogio basilica. Embossed silver urn, displaying the skeletons of Saints Ambrose, Gervase, and Protase.
Martyr Gervasius. Mosaic in the Basilica of San Vitale, Ravenna
Ambrose of Milan, canonized as Saint Ambrose, was a Roman theologian and statesman who served as Bishop of Milan from 374 to 397.
Gervasius and Protasius
…are the scourge, the club and the sword. The acta may have been expanded from a letter (Epistle liii) to the bishops of Italy, falsely ascribed to Ambrose. They are written in a very simple style; it has not been possible to establish the date of their composition. According to these, Gervasius and Protasius…
Detail from possibly contemporary mosaic (c. 380–500) of Ambrose in the Basilica of Sant'Ambrogio
Relief by Vuolvino depicting Ambrose as a child while bees swarm his crib. His father is on the right of the image while the sky has three clouds "sending forth flames". The relief is from the Altar of Sant'Ambrogio in the Basilica of Sant'Ambrogio.
Mosaic of Saint Ambrose from the Cappella Palatina in Palermo, Italy (1140)
Fresco of Saint Ambrose from Hagia Triada Cathedral, Piraeus