Date of Death/Fate of mother

Actual date of death: 19.10.1942, see Death Books of Auschwitz at Yad Vashem. His mother : Blach, Selma nee Rosenthal, born 16. Juni 1881 in Rietberg, lived in Rinteln, Germany. Deportation: from Gelsenkirchen - Münster - Hannover
31. März 1942, to Warsaw Ghetto. Bundesarchiv Gedenkbuch.