He is the brother of filmmaker Nikita Mikhalkov and the son of author Sergei Mikhalkov .
He changed his first name to Andrei and took his maternal grandfather 's surname ( Konchalovsky ) as his stage name .
Konchalovsky is the Andrei of filmmaker Nikita Mikhalkov and the son of author Sergei Mikhalkov .
He changed his first name to Andrei and took his maternal grandfather 's surname ( Konchalovsky ) as his stage name .