Offspring of Sverkai (Walzoff) i 1868 male Iwan Incognitus i 1912 male Poi Iwanoff Incognitus i 1917 male Beauty van Maxim-Gorki i 1920 female Rona van Maxim-Gorki i 1920 female Biso van Moskou i 1919 male Rurik Iwanoff Incognitus i 1917 male Sonja Brielleke i 1919 female Ugo Iwanoff Incognitus i 1917 male Katuschka Iwanoff Incognitus i 1919 female Ivan Ivanavitch i 1920 male
