| Notes |
- "Illinois, Cook County Deaths, 1878-1994," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q2MX-1TD7 : 18 March 2018), Valentine Rosen in entry for Della A Ziemba, 02 Aug 1968; citing Chicago, Cook, Illinois, United States, source reference , record number , Cook County Courthouse, Chicago; FHL microfilm .
- "Illinois, Chicago, Catholic Church Records, 1833-1925," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVMN-TJFV : 11 March 2018), Józef Ziemba Or Ziemca and Domizela Rosentretsz, Marriage 25 Jun 1913; citing Catholic Church parishes, Chicago Diocese, Chicago; FHL microfilm 1,578,072.
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