Worldwide, Щёлков (Щёлков ) is an extremely rare unknown gender first name. Much more prevalently, Щёлков is the last name as well as the forename.
Schelkov, Shchelkov, and Shelkov
Андрей, and Сергей
) is an extremely rare unknown gender first name. Much more prevalently, Щёлков is the last name as well as the forename.