OBITUARY INFORMATION FROM FIND-A-GRAVE WEBSITE:

William Von Sigler
BIRTH          12 Apr 1914, Ionia, Ionia County, Michigan, USA
DEATH          6 May 1970 (aged 56), Valparaiso, Porter County, Indiana, USA
BURIAL         Chesterton Cemetery, Chesterton, Porter County, Indiana, USA
MEMORIAL ID    145474102

This information, the picture, and the obituary notice below were obtained from: https://www.findagrave.com/memorial/145474102/william-von_sigler. The picture above was obtained from the 1931 HHS Aurora yearbook, made available by the Lake County Public Library, at: https://archive.org/details/HOHS1931Images/.