Passage: After his release on 14 February 1854, Dostoevsky asked Mikhail to help him financially and to send him books by Vico, Guizot, Ranke, Hegel and Kant. The House of the Dead, based on his experience in prison, was published in 1861 in the journal Vremya ("Time") – it was the first published novel about Russian prisons. Before moving in mid-March to Semipalatinsk, where he was forced to serve in the Siberian Army Corps of the Seventh Line Battalion, Dostoevsky met geographer Pyotr Semyonov and ethnographer Shokan Walikhanuli. Around November 1854, he met Baron Alexander Egorovich Wrangel, an admirer of his books, who had attended the aborted execution. They both rented houses in the Cossack Garden outside Semipalatinsk. Wrangel remarked that Dostoevsky "looked morose. His sickly, pale face was covered with freckles, and his blond hair was cut short. He was a little over average height and looked at me intensely with his sharp, grey-blue eyes. It was as if he were trying to look into my soul and discover what kind of man I was."In Semipalatinsk, Dostoevsky tutored several schoolchildren and came into contact with upper-class families, including that of Lieutenant-Colonel Belikhov, who used to invite him to read passages from newspapers and magazines. During a visit to Belikhov, Dostoevsky met the family of Alexander Ivanovich Isaev and Maria Dmitrievna Isaeva and fell in love with the latter. Alexander Isaev took a new post in Kuznetsk, where he died in August 1855. Maria and her son then moved with Dostoevsky to Barnaul. In 1856 Dostoevsky sent a letter through Wrangel to General Eduard Totleben, apologising for his activity in several utopian circles. As a result, he obtained the right to publish books and to marry, although he remained under police surveillance for the rest of his life. Maria married Dostoevsky in Semipalatinsk on 7 February 1857, even though she had initially refused his marriage proposal, stating that they were not meant for each other and that his poor financial situation precluded...

Question: Who did he fall in love with?
Maria Dmitrievna Isaeva