Tamerlan Tsarnaev had a male sibling.
In 2007, Tsarnaev confronted a Brazilian youth who had dated his younger sister, Bella, for about two years, and punched him in the face
=== Early life ===Tamerlan Tsarnaev was born in the Kalmyk Autonomous Soviet Socialist Republic (now Kalmykia), a North Caucasus unit of the Soviet Union, the RSFSR

