 MaleJohn Westerbeke |
| Birth | Dec 1861 | Wisconsin, United States  |
| Death | 8 Dec 1941 | West Sayville, Suffolk, NY |
| Burial | 1941 | Sayville, Suffolk, New York, United States of America |
| Marriage | 7 Apr 1886 | Sayville, Suffolk, New York, United States |
| Other Spouse | "Clara" Klaasje Adriaantje Pauline Zegel | F15722 | |
| Marriage | 8 May 1893 | West Sayville, Suffolk, New York, United States |
| Other Spouse | Goverina van Emmerick | F16450 | |
| Marriage | 5 Jun 1906 | Sayville, Suffolk, New York, United States |
| Father | Jan Westerbeke | F15625 Group Sheet | |
| Mother | Pieternella Beveland | F15625 Group Sheet | |
 FemaleWilhelmina Van Wyen |
| Birth | 19 May 1867 | West Sayville, Suffolk, New York, United States |
| Death | 8 Aug 1891 | Sayville, Suffolk, New York, United States |
| Burial | 1891 | Sayville, Suffolk, New York, United States of America |
| Father | Jan van Weijen | F15694 Group Sheet | |
| Mother | Maria Kwaak | F15694 Group Sheet | |
| Male William C. Westerbeke |
| Birth | 3 Mar 1891 | New York, United States |
| Death | 23 Aug 1891 | Sayville, Suffolk, New York, United States |
| Burial |
| Female Adelaide Elizabeth Westerbeke |
| Birth | 19 Dec 1887 | New York, United States |
| Death | 24 Nov 1939 | Blue Point, Brookhaven, Suffolk, New York, United States |
| Burial | 27 Nov 1939 | Union Cemetery, Sayville, Islip, Suffolk, New York, United States |
| Spouse | Robert Louis Lafferrandre | F32748 | |
| Marriage | 28 Oct 1906 | Manhattan, New York, New York, United States |
| Male John Henry Westerbeke |
| Birth | 21 Sep 1886 | New York, United States |
| Death | 6 Nov 1918 | West Sayville, Suffolk, New York, United States |
| Burial |
