 They have also been notable because of their personalities, family origins and physical appearances.Igor and Grichka Bogdanoff are identical twin brothers born to Yuri Mikhaïlovitch Osten-Sacken-Bogdanoff (1928–2012), a Russian painter of Tatar origin and descent from a line of Princes Bogdanoff, and to Maria "Maya" Dolores Franzyska Kolowrat-Krakowská (1926–1982).Igor was the first born and his brother Grichka was born 40 minutes later.