Simon Zeeman was a son of Barend Zeeman and Esther Slier. He married 1 November 1893 to Judith Snoek, a daughter of Ephraim Snoek and Vrouwtje Wurms.
The couple had seven children: Ephraim, Barend, Femmetje, Saartje, Josephus, Maria and Daniel.
City Archive of Amsterdam, archive card os Simon Zeeman and website www.wiewaswie.nl.
Biography