| 1. Cornelis De Groot, b. 13 Apr 1907, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown | | 2. Antje Geertruida Petronella De Groot, b. 21 Sep 1908, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown | | 3. Albertus Maria De Groot, b. 20 Apr 1910, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown | | 4. Gerardus Hendricus De Groot, Jr.1, b. 7 Nov 1912, Amsterdam, , Noord-Holland, Netherlands d. 23 Nov 1912, Amsterdam, , Noord-Holland, Netherlands (Age 0 years) | | 5. Geertruida Hendrika Margaretha De Groot, b. 28 Apr 1915, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown | | 6. Margaretha Sophia Alberta De Groot, b. 30 Nov 1917, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown | | 7. Gerardus Hendricus De Groot, Jr.2, b. 3 Jan 1921, Amsterdam, , Noord-Holland, Netherlands d. Yes, date unknown | |