Peter Arslanovich Urusov
Peter Urusov (Russian: Пётр Арсла́нович Урусов, Turkish: Urak Arslan-oglu) was a Tatar prince who killed False Dmitry II in December 1610. Urusov married Anna Grigoryevna, the former wife of Alexander Shuysky, brother to Tsar Vasily Shuyky. They had a son named Vasily.