His first marriage was to Emma Brescia. His second marriage was in 1952 to Eleanor Clark , with whom he had two children, Rosanna Phelps Warren (born 1953) and Gabriel Penn Warren (born 1955). During his tenure at Louisiana State University he resided at Twin Oaks (otherwise known as the Robert Penn Warren House ) in Prairieville, Louisiana.  He lived the latter part of his life in Fairfield, Connecticut , and Stratton, Vermont where he died of complications from bone cancer. He is buried at Stratton, Vermont, and, at his request, a memorial marker is situated in the Warren family gravesite in Guthrie, Kentucky.