John Gregory Dunne was born on May 25, 1932 in Hartford, Connecticut United States to Richard Edwin Dunne and Dorothy Frances Dunne, and had siblings Dominick John Dunne, Richard Edwin Dunne, Harriet Anne Hutchinson, Virginia Marie Finley, and Stephen Burns Dunne. He married Joan Didion on January 30, 1964, and they were married until John's death on December 30, 2003. He had a child Quintana Roo Michael. John Dunne was buried on March 23, 2004. Family, friend, or fan, this family history biography is for you to remember John Gregory Dunne.