In an interview with France Bleu Alsace radio, Elisabeth said she was walking home when one of the three men said: "Look at that whore in a skirt."
Two of the three men then held her while the third hit her in the face, leaving her with a black eye, she told the station. The men then fled.
They could have broken her jaw or worse.
Police in Marktredwitz in the east of Germany arrested a 17-year-old Iraqi male suspected of a violent attack the 92-year-old female pensioner who has succumbed to her injuries. As announced by the public prosecutor, the young man is in custody on suspicion of manslaughter, according to German police.