Mother of Michelle Obama, Marian Robinson, was informant for her sister's death. Marian's older sister, Carolyn Ann Shields.
: "Illinois, Cook County Deaths, 1878-1994," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q23W-L4DV : 18 March 2018), Purnell Nathaniel Shields in entry for Carolyn Ann Shields, 26 Apr 1990; citing Chicago, Cook, Illinois, United States, source reference , record number , Cook County Courthouse, Chicago; FHL microfilm .