Cognomen Куванцев (Куванцев ) , worldwide, is a very rare last name. The surname Куванцев is characteristic of Kazakhstan, where it is a very rare surname, and Russia.
Борис, Андрей, Сергей, and Ювеналий
) , worldwide, is a very rare last name. The surname Куванцев is characteristic of Kazakhstan, where it is a very rare surname, and Russia.