Offspring of Sirotka (Bachtinski) i 1870 female Poi Iwanoff Incognitus i 1917 male Beauty van Maxim-Gorki i 1920 female Rona van Maxim-Gorki i 1920 female Rona Nasj Sabiaka i 1926 female Rasko Nasj Sabiaka i 1926 male Biso van Moskou i 1919 male Aspid (Schipper) i 1924 male