Hijman Benjamin de Groot - Zwaab Born ± 1827 Amsterdam, Netherland. Son of Benjamin Jacob de Groot and Jansje Hijman Zwaab Married to: Geertruida Mozes van Praag - Patto Born 22-3-1823 Amsterdam, Netherland. Daughter of Mozes Isaac van Praag - Menist and Grietje Eliazer Levy Patto - Benjamin |