 The founders came from the families and relations of the Flavian dynasty, of Imperial Rome, who rose to prominence after Emperor Titus Flavius Caesar Vespasianus Augustus.The parish's name is derived from "Flávios", a corruption of the original "Flavius" of this leader.Panoias was a vast territory which extended from Marão to Tua Rivers, and from the Douro River until the municipality of Murça.