 MaleLeonard van Vessem |
| Birth | 1869 | New York, United States  |
| Death | 1 Feb 1948 | West Sayville, Suffolk, New York, United States |
| Burial | 1948 | Sayville, Suffolk, New York, United States of America |
| Marriage | 14 Mar 1895 | West Sayville, Suffolk, New York, United States |
| Father | Lambert van Vessem | F16649 Group Sheet | |
| Mother | Neltje "Nellie" Bibbe | F16649 Group Sheet | |
 FemaleMartina van Wyen |
| Birth | 1873 | West Sayville, Suffolk, New York, United States |
| Death | 28 Sep 1940 | West Sayville, Suffolk, New York, United States |
| Burial | Sayville, Suffolk, New York, United States of America |
|
| Father | Jan van Weijen | F15694 Group Sheet | |
| Mother | Maria Kwaak | F15694 Group Sheet | |
| Male Lambert William van Vessem |
| Birth | 6 Mar 1908 | West Sayville, Islip, Suffolk, New York, United States |
| Death | 2 Feb 1958 | Patchogue, Brookhaven, Suffolk, New York, United States |
| Burial | 1958 | Saint Lawrence Martyr Roman Catholic Cemetery, Sayville, Islip, Suffolk, New York, United States |
| Female Bertha van Vessem |
| Birth | 6 Jul 1900 | West Sayville, Islip, Suffolk, New York, United States |
| Death | 11 May 1987 | Phoenix, Maricopa, Arizona, United States |
| Burial | 1987 | Greenwood Memory Lawn Cemetery, Phoenix, Maricopa, Arizona, United States |
| Male Cornelius Dirk Van Vessem |
| Birth | 31 May 1910 | West Sayville, Islip, Suffolk, New York, United States |
| Death | 17 Mar 1947 | Islip, Suffolk, New York, United States |
| Burial | 1947 | Union Cemetery, Sayville, Islip, Suffolk, New York, United States |
| Male John Lambert van Vessem |
| Birth | 24 Oct 1897 | West Sayville, Islip, Suffolk, New York, United States |
| Death | 3 Mar 1971 | West Sayville, Islip, Suffolk, New York, United States |
| Burial | 1971 | Union Cemetery, Sayville, Islip, Suffolk, New York, United States |
| Female Nellie Maria van Vessem |
| Birth | Dec 1896 | West Sayville, Islip, Suffolk, New York, United States |
| Death | ||
| Burial |
