| Children |
| | 1. Lucy Kwaak, b. 10 Mar 1899, West Sayville, Suffolk, New York, United States d. Yes, date unknown |
| | 2. Edward Russell Kwaak, b. 24 Feb 1898, West Sayville, Suffolk, New York, United States d. 16 Mar 1977, East Patchogue, Suffolk, New York, United States (Age 79 years) |
| | 3. Bertha Kwaak, b. 15 Oct 1896, West Sayville, Suffolk, New York, United States d. Aug 1973, Bohemia, Suffolk, New York, United States (Age 76 years) |
| | 4. Peter William Kwaak, b. 8 Apr 1893, West Sayville, Suffolk, New York, United States d. 9 Nov 1975, Bayport, Suffolk, New York, United States (Age 82 years) |
| | 5. Dingness Philip Wilbur Kwaak, b. 26 Jan 1901, Bayport, Suffolk, Ny d. 19 Apr 1942 (Age 41 years) |
| | 6. Margaret or Maggie May Kwaak, b. Mar 1892, West Sayville, Suffolk, New York, United States d. Yes, date unknown |
| | 7. Sarah Elizabeth Kwaak, b. 23 Aug 1906, West Sayville, Suffolk, New York, United States d. 29 Jan 1999, Middle Island, Suffolk, New York, United States (Age 92 years) |
| | 8. Gertrude Charlott Kwaak, b. Nov 1890, West Sayville, Suffolk, New York, United States d. Yes, date unknown (Age ~ 79 years) |
| | 9. Cornelia Johanna Kwaak, b. Jul 1889, West Sayville, Suffolk, New York, United States d. Yes, date unknown |
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