The chapel was developed at first in the sixteenth century, in honour from the Roman martyr who shielded the population from epidemics and calamities. In 2002 the City Council granted the gold shield of the municipality to your Virgin, in commemoration from the V Centennial of Villafranca de las Marismas. https://juliuszynfo.tinyblogging.com/the-smart-trick-of-los-palacios-y-villafranca-that-no-one-is-discussing-71037713