from FamilySearch.org

Name: Anton M Kovach
Event: Death
Event Date: 13 Feb 1974
Event Place: Wauw, , Wisconsin
Residence: , Wisconsin
Gender: Male
Age: 85
Certificate Number: 005411

Note: Wauw = Wauwatosa

You should order both his death certificate and his Social Security application.

His death certificate will indicate where he is buried, and it's likely that relatives are buried near him.