Last name 辛研 (辛研 ) , all around the world, is an extremely rare cognomen. Much more frequently, 辛研 is the forename as well as the last name.
Cinyan, Senyan, Singyan, Sinyan, Sunyan, and Zenyan
) , all around the world, is an extremely rare cognomen. Much more frequently, 辛研 is the forename as well as the last name.