Offspring of Sverkai (Walzoff) i 1868 male Zaplia II Perchino i 1904 female Tsennaya II Perchino i 1909 female Zyclon Perchino (Zyclon of Perchina) i 1909 male Oryol O’ Valley Farm i 1912 female Natoch O’Valley Farm i 1912 female Abrax O’Valley Farm i 1913 male Ostrov O’Valley Farm i 1912 female Zyclon O’Valley Farm i 1912 male Zoi O’Valley Farm i 1913 female Sela O’Valley Farm i 1913 male Strassnyi O’Valley Farm i 1913 male Orlik O’Valley Farm i 1912 male Oryol O’Valley Farm i 1912 female Ranco (O’Valley Farm) i 1911 male Nazimova O’Valley Farm i 1913 female Khotni O’Valley Farm i 1912 male Zira O’Valley Farm i 1913 female Nayad O’Valley Farm i 1912 male Ounas O’Valley Farm i 1912 female
