 MaleJob David Klaassen |
| Birth | 26 Sep 1891 | Middelburg, Zeeland, Netherlands  |
| Death | 8 Jan 1942 | |
| Burial | 1942 | Sayville, Islip, Suffolk, New York, United States |
| Marriage | Aug 1922 | West Sayville, Islip, Suffolk, New York, United States |
| Father | ||
| Mother | ||
 FemaleNeetlje "Nellie" Slager |
| Birth | 17 Feb 1899 | New York, United States |
| Death | 15 Oct 1984 | Sayville, Islip, Suffolk, New York, United States |
| Burial | Union Cemetery, Sayville, Islip, Suffolk, New York, United States |
|
| Father | Jacob Slager | F17746 Group Sheet | |
| Mother | Alena or Elena Van De Griek | F17746 Group Sheet | |
| Male Alfred Lawrence Klaassen |
| Birth | 19 Jan 1928 | West Sayville, Islip, Suffolk, New York, United States |
| Death | 21 May 2003 | |
| Burial | May 2003 | Belhaven Community Cemetery, Belhaven, Beaufort, North Carolina, United States |
| Female Elena J. Klaassen |
| Birth | 28 Jul 1924 | West Sayville, Islip, Suffolk, New York, United States |
| Death | 5 Jul 2013 | Zypherhills, Pasco, Florida, United States |
| Burial |
| Male Jacob David Klaasen |
| Birth | 12 Jul 1923 | New York, United States |
| Death | 2 Apr 2008 | West Sayville, Islip, Suffolk, New York, United States |
| Burial | Apr 2008 | Union Cemetery, Sayville, Islip, Suffolk, New York, United States |
