Passage: Dalio resides with his wife Barbara, a descendant of Gertrude Vanderbilt Whitney, (married in 1976/77) in Greenwich, Connecticut, and is known to practice the Transcendental Meditation technique. They have four sons, Devon, Paul, Matthew, and Mark. Devon, their eldest son (born March 26, 1978), was named after North Devon cattle because Ray was deeply involved in cattle futures at the time. Second son Paul Dalio is a film director. Matthew Ace "Matt" Dalio, their third son, is founder and chairman of the China Care Foundation, a non-profit that seeks to help Chinese orphans, and co-founder and CEO of Endless Mobile, Inc., a computer operating system company. Their youngest son Mark Dalio is a wildlife filmmaker.

Question: Who does Dalio reside with?
his wife Barbara