Context : Prince Pyotr Nikolayevich Gruzinsky (Georgian: პეტრე ნიკოლოზის ძე გრუზინსკი; Russian: Пётр Николаевич Грузинский; literally ``Peter of Georgia''; 1837--1892) was a Georgian royal prince (batonishvili) from the House of Mukhrani of the royal Bagrationi dynasty. 
Subject : Pyotr Nikolayevich Gruzinsky 
Relation : sex or gender
What gender class does Pyotr Nikolayevich Gruzinsky belong to?