Children |
| 1. Jacobus Lambertus van Ootmarsum, b. 17 Jan 1898, Rotterdam, ZH, NLD d. 04 Nov 1898, Rotterdam, ZH, NLD (Age 0 years) |
| 2. Jacobus Lambertus van Ootmarsum, b. 26 Apr 1899, Rotterdam, ZH, NLD  |
| 3. levenloos kind van Ootmarsum, b. 13 Jul 1900, Rotterdam, ZH, NLD d. 13 Jul 1900, Rotterdam, ZH, NLD (Age 0 years) |
| 4. Neeltje van Ootmarsum, b. 31 Aug 1901, Rotterdam, ZH, NLD  |
| 5. Diderica Klazina van Ootmarsum, b. 09 Nov 1902, Rotterdam, ZH, NLD d. 29 Jan 1903, Zutphen, GL, NLD (Age 0 years) |
| 6. Diderica Klazina van Ootmarsum, b. 1903, Rotterdam, ZH, NLD d. 28 Mar 1904, Rotterdam, ZH, NLD (Age 1 year) |
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