Betje Koopman was a daughter of Emanuel Koopman and Schoontje Levij. She married Zacharias Swaab on 14 January 1920 in Amsterdam, a son of Hijman Swaab and Veronica Cohen.
Betje was born in a family with nine children, of whom two children have died in childhood. Her other siblings, . Isaac, Salomon, Levie, Hijman, Joseph and Samson, have been killed all during the Holocaust.
Her mother, Schoontje Levij, lives in since 11 August 1925 with the family of Betje and her husband Zacharias Swaab.
City Archive of Amsterdam, family registration card of Emanuel Koopman and website www.wiewaswie.nl.
Biography