In his Acts of the Bishops of Liège (published in 1612), local historian John of Chapeaville attributed the city's status and peaceful state to the spilled blood of its martyred bishop, Saint Lambert:

That Chapeaville identified Saint Lambert as the source of current civic stability testifies to the enduring connection between saintly and civic ideals. Indeed, the association of civic promotion with the act of martyrdom was, by Chapeaville's time, an ancient idea—one that originated in Early Christian thought and had circulated in local episcopal, hagiographic, and liturgical texts for centuries. Its emergence at a precise moment in liégeois history, however, was singularly essential for the nascent civic identity of this clerical hub.

Two interrelated concepts lie at the heart of Chapeaville's idyllic description of the city's founding and favorable condition: the martyr's patronage ensures civic protection and, more significantly, it stimulates civic growth. Like the major pilgrimage sites of Santiago de Compostela and Canterbury, it was the lure of the martyr's holiness and fame that transformed a humble village into a preeminent city. This idea is universal and circulated in earlier Christian literature through the varied genres of homily, encomium, and votive poetry. Long before Liège was founded, Bishop Avitus of Vienne (ca. 490–ca. 518) emphasized this dynamic and transformational aspect of saintly oversight in his dedication homily for the restoration of the baptistery in his episcopal city, observing, “Towns are glorified no less by their churches than by their spiritual patrons, or rather cities have been created out of towns by such patronage.” Acquiring the relics of the sanctified patron thus came to define the transition from town (oppidum) to city (urbs).