He is honoured in the Catholic Church as the patron saint of notaries and secretaries, and invoked against chilblains and scurf.

Outraged in his ideas of justice, the young catechumen cast his tablets at the feet of the magistrate and fled.

The cult of Genesius spread quickly from Arles into other parts of the empire, including Rome, where a titular church was built.

Later on, even more confusion helped to create an entirely fictional legend, in which he was a comedian who had converted to Christianity half-way through performing an anti-Christian satire, and was then beheaded.

[8] This may represent an attempt to explain the existence of the cult of the same saint in two separate locations.