INFORMATION FROM FAMILY SEARCH WEBSITE:

Brief Life History of Robert William

When Robert William Gruppe was born on 19 May 1922, in Hammond, Lake, Indiana, United States, his father, William Henry Gruppe, was 28 and his mother, Amelia S. Schreiber, was 26. He lived in Hobart, Ross Township, Lake, Indiana, United States in 1940. He died on 1 July 2000, in Largo, Pinellas, Florida, United States, at the age of 78.

This information was obtained from: https://www.familysearch.org/tree/person/about/G8DT-2ZW.