Becky,
My name is Chris Nelson, my mother is Jean Nelson (Eft), her father was Burtis Henry Eft (b. 1916 - d. 1990), son of William Frank Eft and Nellie Montgomery.
Other children of William Frank and Nellie Montgomery were:
Sheldon "Tony" Eft (b. 1921 - d. 2006)
Betty Malinowski (Eft) (b. 1924 - d. 2011)