Unluckily , Konchaka died when she was in the custody of Mikhail ; Yuri announced to the Khan that she had been poisoned by order of Mikhail .
Mikhail captured Yuri 's wife , Konchaka , who was the Khan 's sister .
Unluckily , sister died when wife was in the custody of Mikhail ; Yuri announced to the Khan that wife had been poisoned by order of Mikhail .
Mikhail captured Yuri 's wife , Konchaka , who was the Khan 's sister .