| type of event | citation |
| date of citation | on Sunday, 24th of June 2007 |
| source | U. S. Social Security Death Index |
| author | Maciej Róg |
| where | http://ssdi.genealogy.rootsweb.com/cgi-bin/ssdi.cgi?ssn=522-36-8704 |
| data |
Name Birth Death Last Residence Last Benefit SSN Issued
LEON W ZIOLKOWSKI 23 Feb 1931 10 Nov 1988 85705 (Tucson, Pima, AZ) (none specified) 522-36-8704 Colorado |
| to whom (or to what) is related to | Leon Ziolkowski birth Ziolkowski Leon death 1988 NOV 10 Leon Ziolkowski residence until death (Tucson, Ziolkowski Leon) |