| 1. Nicolaas Johannes De Groot, b. 31 Oct 1877, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown
| | 2. Johannes Cornelis De Groot, b. 21 Apr 1880, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown | | 3. Gerardus Hendricus De Groot, b. 10 Jul 1882, Amsterdam, , Noord-Holland, Netherlands d. 16 Jul 1957, Amsterdam, , Noord-Holland, Netherlands (Age 75 years)
| | 4. Hendrika Geertruida De Groot, b. 9 Feb 1887, Amsterdam, , Noord-Holland, Netherlands d. 3 Mar 1927, Amsterdam Wg (Age 40 years)
| | 5. Alida Geertruida De Groot, b. 7 Jun 1888, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown | | 6. Redrika De Groot, b. 1891, Amsterdam, , Noord-Holland, Netherlands d. 29 Jan 1893, Amsterdam, , Noord-Holland, Netherlands (Age 2 years) | | 7. Hendricus Willibrordus De Groot, b. 11 Nov 1893, Amsterdam, , Noord-Holland, Netherlands d. 15 Apr 1895, Amsterdam, , Noord-Holland, Netherlands (Age 1 year) | | 8. Hendrika Cornelia De Groot, b. 21 Sep 1895, Amsterdam, , Noord-Holland, Netherlands d. 10 Sep 1969, Hengelo (Age 73 years)
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