Sire Line: Koheilan Adjuze through Laur. Semen was bred by Janow Podlaski, in Poland - Raced in Poland: 3/15(11-3-1)D+Cx2. Priboj, bred by Tersk, is Koheilan Adjuze through, his Polish bred sire, Piolun.
Semen sired three Derby winners for Tersk: Konus(out of Kapel by Pomeranets), Mais(out of Madia by Arax), and the mare Pasta, out of Perikola, by Knippel)
In 1962, Tersk traded their Russian bred stallion, Negativ/Negatiw, foaled in 1945, out of the Enwer Bey daughter, Taraszcza (taken from Janow in 1939). In trade, Tersk received the outstanding race stallion, Semen, who would enforce the Koheilan Adjuze sireline in Tersk's most athletic mares.
Semen died *13.03.1980