Surname シワク (シワク ) , across the world, is an extremely rare family name. Much more frequently, シワク is the forename as well as the last name.
Shiwak, Shiwaku, and Siwak
アヤ, アツシ, テツオ, and ヒロアキ
) , across the world, is an extremely rare family name. Much more frequently, シワク is the forename as well as the last name.