Saints Crispin and Crispinian are the Christian patron saints of cobblers, curriers, tanners, and leather workers. They were beheaded during the reign of Diocletian; the date of their execution is given as 25 October 285 or 286. Legend. Born to a noble Roman family in the 3rd century AD, Crispin and Crispinian fled persecution for their faith, ending up at Soissons, where they preached Christianity to the Gauls while making shoes by night. It is stated that they were twin brothers. They earned enough by their trade to support themselves and also to aid the poor.
https://en.wikipedia.org/wiki/Crispin_and_Crispinian