 Chamberlain had a history of heart trouble . In 1992 , Chamberlain was briefly hospitalized for an irregular heartbeat . According to those close to him , he eventually began taking medication for his heart troubles . In 1999 , his condition deteriorated rapidly . During this time , he lost 50 pounds . After undergoing dental surgery in the week before his death , he was in great pain and seemed unable to recover from the stress . On October 12 , 1999 , Chamberlain died in Bel @-@ Air , California , at the age of 63 . He was cremated . His agent Sy Goldberg stated Chamberlain died of congestive heart failure . He was survived by his sisters Barbara Lewis , Margaret Lane , Selina Gross and Yvonne Chamberlain , and brothers Wilbert and Oliver Chamberlain . 
