Salomon Arpels was a son of Nathan Arpels and Vrouwtje Aap. He married Sara Kool on 10 June 1903 in Amsterdam, a daughter of Simon Kool en Johanna van Vliet. The couple had two daughters: in 1935 their daughter Jeannette was born and in 1907 Flora, who have been married resp. in 1929 and 1935 and lived elsewhere in Amsterdam. Salomon Arpels and Sara Kool had three grandchildren, of whom one grands…