Anni-Frid Lyngstad，During World War II, a German officer had an affair with young Norwegian Synni Lyngstad. Once the war ended, he returned to his home country, unaware of the fact that Synni was pregnant with his child. Anni-Frid Lyngstad (or Frida, as she later became known) was born on November 15th, 1945 in the small town of Narvik in Norway.