Gerrit Koster was a son of Jesaijas Moses Koster and Rosette Bos. He married in Amsterdam on 18 February 1920 to Betje Walvis, daughter of Zacharias Walvis and Fijtje Posener.
website www.wiewaswie.nl.
Biography
Gerrit Koster was a son of Jesaijas Moses Koster and Rosette Bos. He married in Amsterdam on 18 February 1920 to Betje Walvis, daughter of Zacharias Walvis and Fijtje Posener.
website www.wiewaswie.nl.