an Entity references as follows:
Bjørn Einar Romøren (born 1 April 1981) is a Norwegian former ski jumper who competed at World Cup level from 2001 to 2014. His career highlights include eight individual World Cup wins, two ski flying world records, and a team bronze medal at the 2006 Winter Olympics. Bjørn Einar is the younger brother of Jan-Erik Romøren, best known by the stage name Nag, frontman of black metal band Tsjuder.