 Isaac Querido - de WolfBorn 7- Apr 1912 Rotterdam, Netherland, died 30-9-1942 Auschwitz-Katowice, Poland, 29 or 30 years. Occupation: Doorman. Son of Jacob Querido - van der Sluis and Sara de Wolf - Kalkoene Married to:  Sientje Mozes Os - de WinterBorn 30-7-1915 Rotterdam, Netherland, died 30-9-1942 Auschwitz-Katowice, Poland, 26 or 27 years. Daughter of Mozes Abraham Os - de Groot and Eva Sara de Winter - Koster | |