Cerqua has a Lazio stock in Rome, Guidonia Montecelio (RM) and Sora and Broccostella in frusinate, and a Campanian stock in Giugliano in Campania, Qualiano, Villaricca, Marano di Napoli and Naples in Naples, Cerqui seems instead typical of the Brescia area and Preseglie in particular. additions provided by stefano Ferrazzi Cerqua, present from north to south of the country, is more typically Campania and Lazio, with major stocks in the Neapolitan and in the Roman and minor stocks in the Caserta and in the frusinate, Cerqui, more rare than the previous, seems specific of the Brescia area , both these surnames derive from the medieval name Cerqua (variant of the more common Oak), to be understood or as a symbol of strength (both physical and moral) or as a Christian symbol (the oak, in fact, is a plant dear to the Christian tradition and the name Cerqua could also reflect the cult of the Madonna della Cerqua); from the etymological point of view, the origin of the term cerqua (still in use in some dialects) is to be found in the same metathesis of the Italian oak tree. As far as the surnames in question are concerned, therefore, these are the surnames of the personal names of the founders, even if in some cases a derivation from nicknames attributed to them is not excluded.
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