Janny Brandes-Brilslijper est née le 24 octobre 1916 à Amsterdam, Hollande-Septentrionale, Pays-Bas. Elle était mariée à Bob Brandes. Elle est morte le 15 août 2003 à Amsterdam, Hollande-Septentrionale, Pays-Bas.
From Westerbork, Janny, Lientje, and the Franks were transported to Auschwitz. Janny and Lientje were later transported to the Bergen-Belsen concentration camp, where Anne Frank and Margot Frank were also transported in October 1944. Janny, who was made a nurse in the camp, took care of the ill prisoners. In March 1945, Anne and Margot died within a few days of each other. Janny and Lientje buried them in the mass graves at the camp.