I'm not one of the "muh joo" doods, but this is Interesting with the red shield connection;
"It is a widespread belief that this surname, like many other Spanish surnames, is of Sephardic origin, since it appears on the lists of suspects investigated by the Spanish Inquisition for "Judaizing" (practicing Judaism in secret). This belief, however, is erroneous, and incurs in what is known as "the myth of Jewish surnames." The reality is that the names that appear in the lists of the Inquisition are the most common in the Iberian Peninsula of the time, and therefore also the most common among the suspects investigated by the Inquisition. Actually, there are no Spanish surnames denoting a Jewish or Judeo-Conversion origin1" - Spanish Wikipedia