| Children |
| | 1.  Aarnoud Jan van Beeck Calkoen, b. 1869, Utrecht, Utrecht, Netherlands  d. 1889, Doetinchem, Gelderland, Netherlands (Age 20 years) |
| | 2.  Francisca Johanna van Beeck Calkoen, b. 1870, Utrecht, Utrecht, Netherlands d. 1947, Utrecht, Utrecht, Netherlands (Age 77 years) |
| | 3. Willem Jabes van Beeck Calkoen, b. 1871, Utrecht, Utrecht, Netherlands d. 1945, Doorn, Utrecht, Netherlands (Age 74 years) |
| | 4. Albert Jan Leonard van Beeck Calkoen, b. 1874, Utrecht, Utrecht, Netherlands d. 1949, Driebergen, Utrecht, Netherlands (Age 75 years) |
| | 5. Magdalena Maria van Beeck Calkoen, b. 1876, Utrecht, Utrecht, Netherlands d. Yes, date unknown |
| | 6. Wilhelmina Cornelia van Beeck Calkoen, b. 1878, Utrecht, Utrecht, Netherlands d. Yes, date unknown |
| | 7. Jan Frederik van Beeck Calkoen, b. 1880, Utrecht, Utrecht, Netherlands d. 1966, Arnhem, Gelderland, Netherlands (Age 86 years) |
| | 8. Isabella Antonia Lucretia van Beeck Calkoen, b. 1883, Utrecht, Utrecht, Netherlands d. 1945, Utrecht, Utrecht, Netherlands (Age 62 years) |
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