Birth Name: Sven Magnus Øen Carlsen
Place of Birth: Tønsberg, Vestfold, Norway
Date of Birth: November 30, 1990
Ethnicity: Norwegian
Magnus Carlsen is a Norwegian chess grandmaster. He is the son of Sigrun (Øen) and Henrik Albert Carlsen, both engineers (sivilingeniør) by profession.
Magnus’ paternal grandfather is Kurt Magnus Carlsen.
Magnus’ maternal grandparents are ? Øen (the son of Jon Øen) and ? Bakketun (the daughter of Sven Olafsen Huatorp, later Bakketun, and Olga Arnesdatter Bjerke).
Source: Genealogy of Magnus Carlsen (focusing on his mother’s side) – http://www.geni.com