Surname Kotsuk (Kotsuk ) , globally, is a very rare cognomen. The surname Kotsuk is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Котсук, Коцук, קוצוק, โคตสุข, and コツキ
Pattara, Tongchai, and Kittiyanee
) , globally, is a very rare cognomen. The surname Kotsuk is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.