Eye Color. Eye color is based on the number and color of pigment granules (Melanin) in our eyes. These granules range in color from neutral to very dark brown. The darker the pigment, the darker the eyes. And fewer granules result in lighter eyes.
Pope Francis is the son of Regina Maria Sivori (Gogna), who was born in Argentina, of Italian descent, and of Mario Giuseppe Gergoglio Vasallo, who was born in Turin, Piedmont, Italy.
Re: Spano family from Salemi, Sicily. I have a Josephine Rubino (1908-2010) in my family who married a Thomas G Spano (born 1903), and the family was from either Vita or Salemi Sicily. Re: Isca ancestry in Vita, Trapani, Sicily, Italy. My grandmother was Ignazia Isca.