How many of the bee gees are dead and how did they die?

There are two deceased Bee Gees:

- Maurice Gibb: Born December 22, 1949, died January 12, 2003. Cause of death: Cardiac arrest at the age of 53, following complications from an intestinal operation.

- Robin Gibb: Born December 22, 1949, died May 20, 2012. Cause of death: Complications of colon and liver cancer and pneumonia at the age of 62.