Abraham Witstijn - Nijburg Born 20-2-1863 Rotterdam, Netherland. Son of Hendrik Witstijn - van Wijngaarde and Branka Simon Nijburg Marriage/ Related to: Froukje Rebekka de Leeuw - Swart Born 7- Jun 1861 Leeuwarden-Friesland, Netherland, died 30-3-1943 Sobibor-Biala Podleska, Poland, 81 or 82 years. Daughter of David Heiman de Leeuw and Leentje Swart Child: | |