Joseph Blok (1876) x Hanna Benavente (1873)
1.1. Bernard (Ber) (1899) x Sibilla (Bella) Euphrasie Rouxhe
-Jean Marie Joseph (1931)
-Joseph Eugene (1933)
1.2. Judith (1901) x Hartog Jacob van Dam
1.3. Hendrika (Riek) (1902) x Johannes (Jan) Bolland
1.4. Rebecca (Bep) (1903) x Klaas …
In addition, a Jokos file (number 002765) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.