Born ‎28-5-1839 Nijmegen, Netherland, died ‎4- Jun 1895 Rotterdam, Netherland‎, 55 or 56 years. Son of Isaac Frank - van Gelder and Catharina David Blok - Hertz‏

Born ‎20-9-1837 Rotterdam, Netherland, died ‎30-10-1909 Amsterdam, Netherland‎, 71 or 72 years, ‎1st marriage to: Abraham Frank - Blok, ‎2nd marriage to: Mozes Morris Sax/ Cohe. Daughter of Levie Mozes van Trommel and Sara-Petronella Velleman/ Hartog‏