Born ‎1751 Amsterdam, Netherland‎. Son of Salomon\Zelig Hijman Boas/ Isaa and Marianne Isaac Boas‏

Born ‎1762 Haarlem, Netherland‎, ‎1st marriage to: Hijman\Chaim Salomon\Zelig Boas/ Boa, ‎2nd marriage to: Juda Joseph Gans/ van Praa. Daughter of Michiel\Jechiel Israel\Azriel Levie-Haarlem/ M\ and Sara Simon\Samson Simons\A"B-Hakker‏