Raymond R. Guest

Raymond Richard Guest OBE (November 25, 1907 – December 31, 1991) was an American businessman, thoroughbred race horse owner and polo player. From 1965 to 1968, he was United States Ambassador to Ireland. with whom he had three children:

Elizabeth Guest, who married Edward Beach Condon in 1958, and after their divorce, to George Stevens Jr. in 1965. Raymond Richard "Andy" Guest Jr. (1939–2001), who married Mary Scott Derrick. Virginia Guest (Valentine)

In 1953, he married Ellen Tuck French Astor (1915–1974), who had previously been married to John Jacob Astor VI from 1934 to 1943. She was the elder daughter of Francis Ormond "Frank" French II (1888–1962) and Eleanor Livingston Burrill (1891–1974), and was a first cousin of Rhode Island Governor William Henry Vanderbilt III (1901–1981). They later divorced.

In 1960, he married for the third and final time to Princess Caroline "Caro" Cécile Alexandrine Jeanne Murat (1923–2012), daughter of Prince Alexandre Murat (1889–1926) and granddaughter of Joachim Napoléon Murat, 5th Prince Murat (1856–1932), She was previously married to American Capt. August Van Hartz in 1945. Together, they had two children: Laetitia Amelia Guest (Oppenheim)

Raymond Guest died of pneumonia on December 31, 1991, in Mary Washington Hospital in Fredericksburg, Virginia.