• David Coster1877
  • Elisabeth ‘Betsy’ Coster(1879–1943)
  • Gratia Coster(1880–1942)
  • Aaltje Coster(1881–1942)
  • Rosette Coster(1883–1942)
  • Nathan Coster(1887–1943)
  • Salomon Coster(1889–)
• Abraham de Leeuw1904
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