Family: Howard L. Vandenberg / Virginia M. Showalter (F440906)
John Samuel Showalter (1902-1978) 
|
Gladys M. Smith (1902-1990) |
John Robert Showalter (1921-2018)  |
| William Thomas Showalter (1924-2000) |
| Dorothy Ruth Showalter (1925-2011) |
 | Virginia M. Showalter (1922-1970)
|
| Howard L. Vandenberg (1902-1975) |
