Jansje van der Glas was the mother of Benzion and three children who survived the war.
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In August 1941, an obituary was placed in Het Joodsche Weekblad for Jansje Soetendorp-van der Glas. She was the widow of Abraham Soetendorp.
Het Joodsche Weekblad, 1 August 1941, 11 Het Joodsche Weekblad, 15 August 1941, 4