There was no indication whether Robinson's grave was among those disturbed. Camille Johnston, the first lady's communications director, disclosed that Robinson was buried there but declined to comment further.
Fraser Robinson III was a pump operator for the water department in Chicago and a Democratic party precinct captain who battled multiple sclerosis. He died in 1991 from complications from multiple sclerosis.
Michelle Obama's mother, Marian Robinson, moved from the South Side to the White House when her son-in-law, Barack Obama, was inaugurated in January.
CHICAGO (AP) -- The White House, correcting earlier reports, says Michelle Obama's father is not buried at a cemetery where workers are accused of digging up and dumping bodies but at a cemetery nearby.
Spokeswoman Camille Johnston in an e-mail message on Tuesday said Fraser Robinson III is buried in Lincoln Cemetery. Earlier in the day she was quoted by the Chicago Tribune as saying Robinson was buried at Burr Oak Cemetery in Alsip.
The Cook County Clerk's office also confirmed that Robinson was buried at Lincoln, which is located in Alsip less than two miles from Burr Oak.
Robinson died in 1991 of complications from multiple sclerosis.
Michelle Obama's mother, Marian Robinson, now lives in the White House with President Barack Obama, her daughter and two grandchildren.Source