Offspring of Letka I (Ermolov) i 1864 female Orel (Usachev) i 1967 male Vikhra (Tyagunov) i 1970 female Oslav (Mendelson) i 1977 male Otrada (Boikina) i 1977 female Onega (Golovinoi) i 1977 female Onega (Golovinoi) (17437) i 1977 female