Surname Ianhai (Янхаи , Ianhai ) , throughout the world, is an extremely rare last name. Much more frequently, Ianhai is the forename as well as the last name.
Яньхай
Gu, and Zheng
, Ianhai 
) , throughout the world, is an extremely rare last name. Much more frequently, Ianhai is the forename as well as the last name.