Pope Fabian
During the consulship (in 250 AD) of the Emperor Decius and Vettius Gratus, according to Gregory of Tours, who calls him Stremonius, Pope Fabian sent out seven bishops from Rome to Gaul to preach the Gospel: Gatien to Tours, Trophimus to Arles, Paul to Narbonne, Saturninus to Toulouse, Denis to Paris, Martial to Limoges, and Austromoine to Clermont ("Historia Francorum", i.30).