In the world, Shchadrin (Shchadrin , Щадрин ) is an extremely rare unknown gender forename. Much more frequently, Shchadrin is the last name as well as the forename.
Шчадрин, and Щадрін
Petr
, Щадрин 
) is an extremely rare unknown gender forename. Much more frequently, Shchadrin is the last name as well as the forename.