Erni Arneson was born on September 12, 1917 in Århus, Denmark. She was an actress, known for Nach der Hochzeit (2006), I de lyse nætter (1948) and Mens porten var lukket (1948). She was married to Heinrich Ludvig Hersom and Preben Mahrt. She died on December 8, 2006 in Copenhagen, Denmark.
