Jenny Fränkel

The page of testimony by her grandson says she died in Treblinka. but the page of testimony by her daughter says she died in Auschwitz. I can't determine which is correct.

Eintrag im »Gedenkbuch« des Bundesarchivs:

Fränkel, Jenny Jenni

geborene Berg geboren am 09. Dezember 1864 in Berlin / - / Stadt Berlin wohnhaft in Kassel

Deportation: ab Kassel-Chemnitz 07. September 1942, Theresienstadt, Ghetto 29. September 1942, Treblinka, Vernichtungslager

cf.: https://www.kassel-stolper.com/biografien/jenny-und-siegfried-fr%C3...