Son of Rafik Khachatryan - Khachar Afo - who was a sculptor of the Union of the Artists of the USSR and Armenia and a young (13 years old) and brave participant of the National Liberation movement of Armenians: he was a Soldier of Armenian National Liberation Legion (Azgayin Legion or National Legeon, from 1988, aged thirteen, to 1994 when he was 19 years old.
His father Rafik Khachatryan was in the Headquarters of the Independence Army of Armenia.
Garegin Khachatryan graduate of an Armenian High school, as well as of Art College in Yerevan.
Freedom fighter and composer Davit Amalyan (David Amalian) in late September 1995 dedicated a great song to Garegin Khachatryan.
He was a direct descendant of the house of Daniel-Bek of Sassun (province Sassun or Sason of Western Armenia) (second half of the 18th century) and Khachatur-Bek of Mush (town Mush of Western Armenia) (first half of the 19th century).