Gildas' De Excidio et Conquestu Britanniae is the first surviving source to mention them, and he writes that during the Diocletian persecution, "God... kindled up among us bright luminaries of holy martyrs.... Such were St. Alban of Verulam, Aaron and Julius, citizens of the city of legions and the rest, of both sexes, who in different places stood their ground in the Christian contest."
Gildas' De Excidio et Conquestu Britanniae is the first surviving source to mention them, and he writes that during the Diocletian persecution, "God... kindled up among us bright luminaries of holy martyrs.... Such were St. Alban of Verulam, Aaron and Julius, citizens of the city of legions and the rest, of both sexes, who in different places stood their ground in the Christian contest."