Herman Heiman Koster - Oostra Born ± 1870. Son of Eliazar William Koster - Polak and Rachel Hartog Oostra - Nias Married 26-6-1895 Leeuwarden-Friesland, Netherland to: Hendrika Hagens - de Jong Born 15-4-1872 Leeuwarden-Friesland, Netherland. Daughter of Hartog Hagens - de Jong and Hester Joseph de Jong - Kan |