INFORMATION FROM FAMILY SEARCH WEBSITE:
Brief Life History of Thad Daniel
When Thad Daniel Swynenberg was born on 11 April 1939, in Gary, Lake, Indiana, United States, his father, Floyd Bertram Swynenberg, was 34 and his mother, Myrtle Deleana Stubblefield, was 29. He lived in Hobart, Ross Township, Lake, Indiana, United States for about 10 years. He died on 18 January 1993, in Chicago, Cook, Illinois, United States, at the age of 53, and was buried in Lombard, DuPage, Illinois, United States.
This information was obtained from: https://www.familysearch.org/tree/person/about/LT22-KC6.
INFORMATION FROM ANCESTRY.COM (NOTE: There is a discrepancy concerning the death date):
This information was obtained from: https://www.ancestry.com/family-tree/person/tree/108595723/person/390069696791/story.