1878 - 1916 (38 år)
 | Marie Steffensen 1902-1992 |
| Marie Steffensen | |
| F: | 10 Jul 1902 |
| Haugesund, Skåre, Hauge, Rogaland | |
| D: | 11 Mar 1992 |
| Schoharie County, New York, USA | |
 | Jens "John*" Marius Rasmussen 1892-1997 |
| Jens "John*" Marius Rasmussen | |
| F: | 12 Dec 1892 |
| Sønder Stenderup, Nørre Tyrstrup, Vejle, Danmark | |
| V: | 4 Aug 1928 |
| Brooklyn, New York City, New York, USA | |
| D: | Maj 1997 |
| Schoharie, Schoharie County, New York, USA | |
| Bernhard Steffensen 1907-1917 |
| Bernhard Steffensen | |
| F: | 1907 |
| Brooklyn, Kings County, New York, USA | |
| D: | 28 Aug 1917 |
| Bergen, Hordaland | |
 | Jr John Arthur Steffenson 1931-2000 |
| Jr John Arthur Steffenson | |
| F: | 31 Maj 1931 |
| Brooklyn, Kings County, New York, USA | |
| D: | 26 Apr 2000 |
| Brooklyn, Kings County, New York, USA | |
 | Maureen McCormack 1935-2018 |
| Maureen McCormack | |
| F: | 21 Maj 1935 |
| New York City, New York, USA | |
| D: | 11 Sep 2018 |
| Florida, USA | |
 | John Aurthor Steffensen 1908-1977 |
| John Aurthor Steffensen | |
| F: | 17 Dec 1908 |
| Brooklyn, Kings County, New York, USA | |
| D: | 28 Feb 1977 |
| Bay Shore, Suffolk County, New York, USA | |
 | Ann Virginia Loebel 1911-1976 |
| Ann Virginia Loebel | |
| F: | 12 Apr 1911 |
| Brooklyn, Kings County, New York, USA | |
| V: | 6 Sep 1930 |
| Brooklyn, Kings County, New York, USA | |
| D: | 12 Jan 1976 |
| Brooklyn, Kings County, New York, USA | |
| Bernhard Johan Steffensen Monsen 1878-1916 |
| Bernhard Johan Steffensen Monsen | |
| F: | 19 Jul 1878 |
| Bergen, Hordaland | |
| D: | 2 Nov 1916 |
| Brooklyn, Kings County, New York, USA | |
 | Inger Oline Storsteen 1876-1966 |
| Inger Oline Storsteen | |
| F: | 6 Okt 1876 |
| Torvastad, Skåre, Haugå, Rogaland | |
| V: | 22 Sep 1906 |
| Brooklyn, Kings County, New York, USA | |
| D: | Sep 1966 |
| Brooklyn, Kings County, New York, USA | |
