_Anders Christensen ____
| (1847 - 1901) m 1883
_David Gehart Christensen _|
| (1885 - ....) |
| |_Margarethe Berthelsen _+
| (1857 - 1944) m 1883
|
|--Alvin Bartel Christensen
|
| ________________________
| |
|_Mary Zelpha Nichols ______|
(1893 - ....) |
|________________________