Divorce from Dory Previn dragged on for two years after he started dating Farrow in 1968.
Appeared as a willing stooge on The Morecambe & Wise Show (1968) where he was called Andrew Preview.
Former son-in-law of John Farrow and Maureen O'Sullivan. Ex-brother-in-law of John Charles Farrow, Prudence Farrow, Stephanie Farrow and Tisa Farrow.
Father of 10 children. Two daughters with Betty Bennett, Claudia Previn (born June 24, 1954) and Alicia Previn (born February 11, 1957). He and Mia Farrow had three sons, fraternal twins Matthew and Sascha (born February 26, 1970) and Fletcher Farrow Previn (born March 14, 1974), and adopted three daughters, Soon-Yi Previn (born October 8, 1970), Lark Previn (February 15, 1973 - December 25, 2008) and Daisy Previn (born October 6, 1974). His son with Heather Hales, Lukas Previn, was born October 28, 1983. He adopted Heather's daughter from a previous marriage, Li-An Mary (born January 12, 1974).
Was nominated for Broadway's 1970 Tony Award for his music as part of a Best Musical nomination for "Coco."
Was portrayed by Robert LuPone in Love and Betrayal: The Mia Farrow Story (1995).
He was made an honorary Knight of the British Empire in 1996 for his services to music.
Chief conductor of the Oslo Philharmonic (Oslo, Norway). 
He was the son of Charlotte (Epstein) and Jacob Priwin, both German Jews. Brother of Steve Previn. His father's cousin is Charles Previn.
Father-in-law of Woody Allen. He is married to Previn's daughter Soon-Yi Previn. Allen was also in a long-term relationship with Previn's ex-wife Mia Farrow.