Salomon Koopman was a son of Elias Koopman and Duifje Ossedrijver. As a vendor on the streetmarket, he was selling fabrics from Tuesday till Saturday at Nieuwmarkt in Amsterdam for some years. Salomon married Roosje Saphier in Amsterdam on 7 May 1884, a daughter of Joseph Saphier and Vogeltje Snoek. The couple had six children: one daughter died in infancy, one daughter passed away before the war …