1876 - 1949 (73 years)
| Oliver Nelson Lokker | |
| B: | 9 Feb 1909 |
| West Sayville, Suffolk, New York, United States | |
| D: | 3 Oct 1988 |
| East Patchogue, Suffolk, New York, USA | |
| Antje Annie Bakelaar | |
| B: | 16 Mar 1909 |
| West Sayville, Suffolk, New York, United States | |
| M: | 8 Sep 1931 |
| Suffolk, New York, United States | |
| D: | 8 Oct 2004 |
| West Sayville, Islip, Suffolk, New York, United States | |
| Wilhelmina J. Lokker | |
| B: | 5 Jun 1898 |
| West Sayville, Suffolk, New York, United States | |
| D: | 3 Dec 1979 |
| New Orleans, Orleans, Louisiana, United States | |
| Edward Kovanda | |
| B: | 2 Dec 1892 |
| New York, United States | |
| M: | 10 Jul 1919 |
| Islip, Suffolk, New York, United States | |
| D: | 7 Jan 1960 |
| Johannis Matthis Lokker | |
| B: | 30 Nov 1894 |
| West Sayville, Suffolk, New York, United States | |
| D: | 8 May 1965 |
| Mary Rose Willrick | |
| B: | 8 Dec 1896 |
| New York, United States | |
| M: | 25 Dec 1917 |
| D: | 31 Jan 1986 |
| West Sayville, Suffolk, New York, United States | |
|
| Adrianna van Vessem | |
| B: | 17 Jul 1876 |
| West Sayville, Suffolk, New York, United States | |
| D: | 19 Aug 1949 |
| John Johan Lokker | |
| B: | 4 Dec 1871 |
| New Jersey, United States | |
| M: | 3 May 1894 |
| West Sayville, Suffolk, New York, United States | |
| D: | 21 Jun 1958 |
| Islip, Suffolk, New York, United States | |
