 Peter W. Williamsen | Mandlig partner eller ægtemand | Danmark | 26.12.1838 | Nebraska, USA | 02.02.1905 |
| Theodore Elias Williamsen | Søn | Washington County, Nebraska, USA | 30.07.1877 | Arlington, Washington County, Nebraska, USA | 31.08.1950 |
| Martin | Oldesøn | | | | |
 Katherine Hobbins | Tipoldedatter | | | | |
| Stella Lucinda Alberta Christiansen (Williamsen) | Svigerdatter | Herman, Washington, Nebraska, United States | 06.09.1883 | Omaha, Douglas, Nebraska, United States | 17.11.1971 |
| Chester Howard Williamsen | Sønne-/dattersøn | Arlington, Washington County, Nebraska, USA | 15.12.1901 | Blair, Washington, Nebraska, United States | 29.01.1975 |
| Clemens W Williamson | Sønne-/dattersøn | Nebraska, USA | 12.07.1904 | Uehling, Dodge, Nebraska, USA | 23.11.1967 |
| Gladys L Williamsen | Sønne-/datterdatter | Uehling, Dodge, Nebraska, USA | 25.06.1906 | Oakland, Burt, Nebraska, USA | 29.05.1976 |
| Gilbert Theodore Williamsen | Sønne-/dattersøn | Uheling, Washington, Nebraska, USA | 11.04.1908 | Omaha, Douglas, Nebraska, USA | 06.06.1972 |
| Sherley Carrol Williamsen | Sønne-/dattersøn | Dodge, Nebraska, USA | 29.12.1911 | | SEP 1969 |
| Clarence Frederick Williamsen | Sønne-/dattersøn | Herman, Nebraska, USA | 16.01.1916 | Omaha, Douglas, Nebraska, USA | 15.11.1989 |
| Marian Lucille Williamsen | Sønne-/datterdatter | Herman, Washington, Nebraska, USA | 22.03.1918 | Omaha, Douglas, Nebraska, USA | 14.12.1996 |
| Ann S Farano (Williamsen) | Datter-/Sønnesøns ægtefælle | Omaha, Douglas County, Nebraska, USA | 28.06.1919 | Livonia, Michigan | 09.01.2015 |
| Joyce V Williamsen | Sønne-/datterdatter | Nebraska | 08.05.1928 | Council Bluffs, Pottawattamie, Iowa, USA | FEB 1984 |
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