Born ‎1748 Leiden, Netherland, died ‎29-8-1794 Leiden, Netherland‎, 45 or 46 years. Occupation: Shopkeeper. Son of Emanuel Isaaks Cassier and Lea Lya Jacobs/ Isaak‏

Born ‎1757 Leiden, Netherland, died ‎1- Apr 1781 Leiden, Netherland‎, 23 or 24 years. Daughter of Anthonie Jacobs Fonteijn/ Isaak and Clara Nathan Cohen‏