Perhaps more surprisingly, she also argued that a prenuptial agreement that the two signed in 2003 was actually done under duress and should be voided.
The two filings suggest that the breakup of the Griffins, one of Chicago's richest and most prominent power couples, will move from domestic dispute into public brawl. Hints of an acrimonious fight emerged soon after Mr. Griffin filed for divorce in late July, with Ms. Griffin contending that she had been blindsided by the move.
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On one side of the fight is Mr. Griffin, the founder of the hedge fund Citadel, whose net worth is an estimated $5.5 billion, according to Forbes. On the other is Ms. Griffin, a Harvard Business School graduate who had run her own investment firm but now largely focuses on raising the couple's children.
Yet despite the trappings of domestic calm, with the couple regularly making joint appearances at social events, matters were more complicated. In one of the filings on Tuesday, Ms. Griffin disclosed that her husband left their home in February 2012 and spent little time alone with the children. A person close to Mr. Griffin disputed that contention, arguing that he has attended school functions and taken them out.
In one filing from Tuesday, Ms. Griffin reiterated that she was on her way to the airport with the children for a vacation when she learned of the divorce petition. While she was gone, she added, Mr. Griffin had movers take out furniture and pieces of art from their home in Chicago.
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