https://kobra.uni-kassel.de/bitstream/123456789/2013121644679/1/SchicksaleDerJudenKassels.pdf
https://mappingthelives.org/bio/383c8c5e-fccc-4e39-8560-5885ca486f67
Could this be the same Gertrud? https://ressources.memorialdelashoah.org/notice.php?q=identifiant_origine:(FRMEMSH0408707129242)