Last name Евстафиы (Евстафиы , Evstafiy ) , all around the world, is an extremely rare cognomen. Much more frequently, Евстафиы is the forename as well as the last name.
Yevstafiy
Калбазов, and Харлампиди
, Evstafiy 
) , all around the world, is an extremely rare cognomen. Much more frequently, Евстафиы is the forename as well as the last name.