Why do you say that Only wives names will help you further?
Panagiotis Zizos, he is my grandfather, born in Galaxidi, Greece. He has siblings, George Zissimos Zizos; Zissimos Zizos, born about 1891 also in Galaxidi; Thomas Efthimios Zizos born December 10, 1894.
Family rumor says there is a "Mareno" name in the background of the family. What do you make of that?
Does this help??