 Among others he was crossed with Isabelline, a Danish mare from the Frederiksborg royal stud-farm, who foaled a stallion that was named Polkan (1778–1793).Polkan was crossed with a Dutch mare which, in 1784, produced the grey stallion Bars I (1784–1808), considered the first Orlov trotter.He was 162.5 cm high at the withers which made him taller than most contemporary trotters, possessed a fast trotting gait and featured the beauty and noble bearing which would later distinguish the newly created breed.