Koheilan I-IV-3, was bred by Hungary's Bábolna Stud. He was sold to Poland in 1924 and named Koheilan-I, by the Janow-Podlaski Stud. He serviced Janow mares from 1926-1937. In 1937, Balbona Stud repurchased him, and renamed him; he was then Registered in Hungary's studbook, ASBB, as Koheilan - VIII. Foals born in Poland are shown as sired by Koheilan I.