
 1889 - 1969  (80 jaar)
 1889 - 1969  (80 jaar)|  | Gertrude H Leffring  1914-Ja, datum echter onbekend | 
| Gertrude H Leffring | |
| G: | 1914 | 
| New York,NY,USA | |
| O: | Ja, datum echter onbekend | 
|  | Emmett Francis Grace  1912-1981 | 
| Emmett Francis Grace | |
| G: | 1 aug 1912 | 
| Philadelphia County,PA,USA | |
| H: | 1935 | 
| Philadelphia County,PA,USA | |
| O: | 8 jan 1981 | 
| New Jersey,USA | |
|  | Arthur Leffring Leffring  1916-Ja, datum echter onbekend | 
| Arthur Leffring Leffring | |
| G: | 1916 | 
| New York,NY,USA | |
| O: | Ja, datum echter onbekend | 
|  | Cornelia Elizabeth Leffring  1918-Ja, datum echter onbekend | 
| Cornelia Elizabeth Leffring | |
| G: | 1918 | 
| Connecticut,USA | |
| O: | Ja, datum echter onbekend | 
|  | Obie Lee Wilburn  1904-1969 | 
| Obie Lee Wilburn | |
| G: | 22 mei 1904 | 
| Halifax County,VA,USA | |
| H: | 29 jul 1940 | 
| Warrenton County,VA,USA | |
| O: | jun 1969 | 
| Mayland,USA | |
| 
 | 
|  | Cornelia Johanna Kwaak  1889-1969 | 
| Cornelia Johanna Kwaak | |
| G: | 7 jul 1889 | 
| Sayville,NY,USA | |
| O: | sep 1969 | 
| Philadelphia,PA,USA | |
|  | Ate Leffring  1881-1959 | 
| Ate Leffring | |
| G: | 9 okt 1881 | 
| Elsloo,FR,NLD | |
| H: | 13 jan 1912 | 
| Sayville,NY,USA | |
| O: | 1959 |