 , and a soldier - although he is rarely seen out of Russia in the book.It is rumoured that he has had an incestuous affair with his sister, and he tries to elope with Natasha Rostova despite being secretly married to a Polish woman during his time in the army.Later in the book, he gets his leg amputated at the Battle of Borodino, where he is treated next to Andrei Bolkonsky, Natasha Rostova's former betrothed.