AceShowbiz - The actor son of Frank Sinatra's Rat Pack regular Peter Lawford has died, aged 63.
Christopher Lawford, the nephew of assassinated U.S. leader John F. Kennedy, suffered a medical emergency at a yoga studio in California on Tuesday night, September 04 and later died, according to TMZ sources.
He appeared on TV shows General Hospital, All My Children, and Fraiser among others, and worked as a correspondent for news show Extra.
He also followed his uncles into politics and was an active member of America's Democratic National Committee, where he worked for Senator Ted Kennedy.
He also served on the board of the Special Olympics, which was created by his Aunt Eunice Shriver, and became a bestselling writer thanks to his book Symptoms of Withdrawal.
Lawford also had a dark history - he battled addiction in the 1970s and 1980s.