Martha Ellen Stoltenberg Knudsen 1925 ~ 2013 Ellen Stoltenberg Knudsen passed away in Orem, Utah, on March 15, 2013, surrounded by her adoring family. Ellen was born on a farm outside Lone Wolf, Oklahoma, on July 8, 1925, to Richard Heinrich Stoltenberg, a German immigrant, and Grace Talbot, a school teacher who instilled a love of good books.