Second son of legendary American singer-actress
Diana Ross (and the youngest of her five children) and Norwegian mountaineer/shipping magnate Arne Næss, Jr. (Arne Ludvig Rudolf Næss). Arne's uncle was philosopher and mountaineer
Arne Næss. Evan is the fifth of Arne, Jr.'s seven children. Evan's father was born in Munich, Germany and raised in Norway, and was of German, Norwegian, and distant Danish, ancestry. Evan's mother is African-American.