 MaleJohn Dewaal |
| Birth | 17 Sep 1866 | West Sayville, New York  |
| Death | 30 Oct 1943 | |
| Burial | Sayville, Suffolk, New York, United States of America |
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| Marriage | 6 Sep 1905 | Sag Harbor, Suffolk, New York, United States |
| Father | Gabriel De Waal | F15711 Group Sheet | |
| Mother | Klaasje 'Clara' Kats | F15711 Group Sheet | |
 FemaleBertha May Decastro |
| Birth | Sep 1875 | New York, United States |
| Death | 19 Oct 1953 | Southold, Suffolk, New York, United States |
| Burial | 1953 | Union Cemetery, Sayville, Suffolk County, New York, USA |
| Father | ||
| Mother | ||
| Male John Jacob Dewaal |
| Birth | 21 Oct 1914 | New Haven, Connecticut, United States |
| Death | 9 May 2004 | Lebanon, Wilson, Tennessee |
| Burial | 2004 | Oakland Cemetery, Sag Harbor, Suffolk, New York, United States of America |
| Female Genevieve Sayre Dewaal |
| Birth | 14 Oct 1906 | Islip, Suffolk, New York, United States |
| Death | 28 May 1963 | Greenport, Southold, Suffolk, New York, United States |
| Burial | 1963 | Sterling Cemetery, Greenport, Suffolk, New York, United States of America |
