Levie Walvis was a son of Abraham Hartog Walvis and Cato Voorzanger. He married in Amsterdam on 11 March 1891 to Grietje Italiaander, daughter of Abraham Italiaander and Sophia Salomon. Grietje passed away in Amsterdam on 10 August 1937 and was burried in Diemen. The couple had five children: Abraham, Cato, Salomon, Sophia and Rachel.
City Archive of Amsterdam, archive card of Levie Walvis and website www.wiewaswie.nl.
Biography