These people were Maxim Grigoyev , Tatiana Sitnikova and her son Fyodor Sitnikov , Ivan Kuklin and Matrina Kuklina , Vassily Ryabov , Ustinya Varankina , and Dr. Pavel Utkin . These witnesses were Maxim Grigoyev , Tatiana Sitnikova and her son Fyodor Sitnikov , Ivan Kuklin and Matrina Kuklina , Vassily Ryabov , Ustinya Varankina , and Dr. Pavel Utkin , a physician who treated the girl after the incident .