OBITUARY INFORMATION FROM FIND-A-GRAVE WEBSITE:

Greta Mae Otto Massow
BIRTH          5 Dec 1934, Gary, Lake County, Indiana, USA
DEATH          21 Jan 2007 (aged 72), Crown Point, Lake County, Indiana, USA
BURIAL         Calumet Park Cemetery, Merrillville, Lake County, Indiana, USA 
MEMORIAL ID    60189726

This information was obtained from: https://www.findagrave.com/memorial/60189726/greta-mae-massow. The picture above was obtained from the 1953 HHS Memories yearbook, made available by the Lake County Public Library, at: https://archive.org/details/HOHS1953Images/.