Patrick Swayze's younger brother, Sean Swayze, has died. He was 63. Sean's son, Jesse, confirmed to TMZ on Wednesday, January 7, that his father died late last month in Los Angeles. A death certificate obtained by the outlet confirmed that Sean suffered an acute upper gastrointestinal bleed and severe metabolic acidosis brought on by cirrhosis of the liver, which according to the Cleveland Clinic, is often caused by frequent alcohol use. In addition to Jesse, Sean is survived by his kids, Cassie and Kyle, as well as brother Don Swayze.