Genevieve Stumpf d/o John and Lillian Dawson Stump or Stumpf - born Gas City, Indiana in 1920.
There is a rootsweb archives query by "Jennette" about John Stumpf:
PS US World War I Draft Registration Cards of a John Stump - 1917-18 - indicates that he was born in Shelby County Indiana 29 April 1895. His home address was E Street, Gas City, Indiana. It was witnessed by BH Saunders of Mill Twp, Grant County, Indiana on 5 June 1917.
"Find A Grave Index," , FamilySearch (https://familysearch.org/ark:/61903/1:1:QVL5-GMDZ : accessed 10 August 2015), John Stump, 1933; Burial, Gas City, Grant, Indiana, United States of America, Riverside Cemetery; citing record ID 104482149, Find a Grave, http://www.findagrave.com.
Application for a Headstone for veteran John Stump - Private, Company M Indiana 30 Infantry - died 25 March 1933. Mailed to Mrs. Lillian Stump at Gas City, Grant County. The nearest post office: Marion, Indiana.
"United States Headstone Applications for U.S. Military Veterans, 1925-1949," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VHZF-ZM5 : accessed 10 August 2015), John Stump, ; citing Gas City, , Indiana, United States, NARA microfilm publication (Washington D.C.: National Archives and Records Administration, n.d.), roll ; FHL microfilm .
Genevieve Stumpf had a brother George - born about 1922.