Dennis Quaid: Wife Kimberly Buffington-Quaid files for divorce

Dennis Quaid’s wife, Kimberly Buffington-Quaid, has filed for divorce after eight years of marriage. TMZ first broke the story after obtaining court papers in which Buffington-Quaid said, “The marriage has become insupportable because of discord or conflict of personalities.”

The couple have 4-year-old twins who made headlines in 2007 after hospital staff at Los Angeles’s Cedars-Sinai Medical Center erroneously administered an overdose of blood thinner Heparin to the 10-day-old infants. The Quaids will share custody of their children, according to a temporary custody order.

This is the third dissolved marriage for Quaid. He divorced Meg Ryan in 2001 and actress P.J. Soles in 1983.

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