The origin of the Kareev borzoi dates back to famous hounds owned by Prince G.F. Baryatinsk and B.G. Baryatinsk, the grandfather of A.N. Kareef.
Kareef Hunt continued to breed on the same line of borzoi.
N. A. Kareef was a borzoi hunter but S.S. Kareef became more famous as a breeder/owner.