When did John Poindexter's son die?
Alan G. Poindexter Alan Goodwin "Dex" Poindexter (November 5, 1961 – July 1, 2012) was an American naval officer and a NASA astronaut. Poindexter was selected in the 1998 NASA Group (G17) and went into orbit aboard Space Shuttle Missions STS-122, and STS-131
Mary Jefferson Eppes Mary Jefferson Eppes (née Jefferson; August 1, 1778 – April 17, 1804), known as Polly in her childhood and Maria as an adult, was the younger of Thomas Jefferson's two daughters who survived infancy. She married a first cousin, John Wayles Eppes, and had three children with him. Only their son Francis W. Eppes survived childhood. Maria died months after the birth of her third child.