OBITUARY INFORMATION FROM FIND-A_GRAVE WEBSITE:

Donald Lester Seymour
Birth          31 Mar 1926, Gary, Lake County, Indiana, USA
Death          8 Apr 2001 (aged 75), Valparaiso, Porter County, Indiana, USA
Burial         Calumet Park Cemetery, Merrillville, Lake County, Indiana, USA
Memorial ID    156537450 

This information was obtained from: https://www.findagrave.com/memorial/156537450/donald_lester-seymour. 

INFORMATION FROM FAMILY SEARCH WEBSITE:

Brief Life History of Donald Lester

When Donald Lester Seymour was born on 31 March 1926, in Gary, Lake, Indiana, United States, his father, Harry Millington Seymour, was 28 and his mother, Clenna 'Clennie' Short, was 20. He married Cecile P. Maresko on 27 May 1946, in Porter, Indiana, United States. He lived in Hobart, Lake, Indiana, United States for about 10 years. He died on 8 April 2001, in Valparaiso, Porter, Indiana, United States, at the age of 75, and was buried in Calumet Park Cemetery, Merrillville, Ross Township, Lake, Indiana, United States.

This information was obtained from: https://www.familysearch.org/en/tree/person/about/G3F8-FVV.