Familie: Ernest Duvall / Ione Duvall (F3441)
g. 18 SE 1931 | Daniel Olaus Helvig (1882-1961) 
|
 | Hannah Twait Helvig (1884-1932)
|
 | Dwayne Harold Helvig (1918-1993)  |
 | Ione Duvall (1912-2008)
|
 | Ernest Duvall (1902-1975) |
 | Alice J Kahler (1932-2018) |
 | George Duvall (1934-2021) |
 | John Duvall (1937-2011) |
 | Norman Duvall (1946-2019) |