John Drew Barrymore was the son of famous actor John Barrymore, as well as being Drew Barrymore's father. Coming from a family of famous actors did not sit well with John. Throughout his life he was compared with his father and Grand-father.
After years of struggling in less than stellar roles, Barrymore gave up on acting and started to drift throughout the world. He was known to disappear for months at a time only to pop up in jail for drug abuse and public drunkenness.
John Drew Barrymore succumbed to cancer in 2004.