Title: Richard Nixon
Content:  in La Habra, California, and became a full partner in the firm the following year. In January 1938 Nixon was cast in the Whittier Community Players production of The Dark Tower. There he played opposite a high school teacher named Thelma "Pat" Ryan. Nixon described it in his memoirs as "a case of love at first sight"—for Nixon only, as Pat Ryan turned down the young lawyer several times before agreeing to date him. Once they began their courtship, Ryan was reluctant to marry Nixon; they dated for two years before she assented to his proposal. They wed in a small ceremony on June 21, 1940. After a honeymoon in Mexico, the Nixons began their married life in Whittier. They had two daughters, Tricia (born 1946) and Julie (born 1948).
Title: Marian Nixon
Content:  Nixon was married four times. She married boxer Joseph Benjamin in 1925, but they divorced two years later. Then, on August 11, 1929, Nixon married Chicago department store heir Edward Hillman Jr. at his parents' home. That union ended in 1933. The following year, Nixon wed director William A. Seiter with whom she had worked on the film We're Rich Again. Their marriage lasted until Seiter's death in 1964 and produced three children: Christopher Seiter, Selena, and Jessica. Finally, on April 1, 1972 in Los Angeles, she married actor/producer Ben Lyon, although her obituary in the Chicago Tribune reports that she married Lyon in 1971. Her grandsons are the screenwriters Ted Griffin and Nicholas Griffin, the sons of a daughter Nixon had with husband William Seiter.
Title: Hannah Milhous Nixon
Content: Harold Samuel Nixon (June 1, 1909 – March 7, 1933) ; Richard Milhous Nixon (January 9, 1913 – April 22, 1994), 37th president of the United States, married to Thelma Catherine Patricia Ryan and had two daughters. ; Francis Donald Nixon (November 23, 1914 – June 27, 1987), married to Clara Jane Lemke and had three children, including Donald A. Nixon ; Arthur Burdg Nixon (May 26, 1918 – August 10, 1925) ; Edward Calvert Nixon (May 3, 1930 – February 27, 2019) She was married to Francis A. Nixon and had five sons: 
Title: Pat Nixon
Content:  Patricia Ryan Nixon (born Thelma Catherine Ryan; March 16, 1912 – June 22, 1993) served as first lady of the United States from 1969 to 1974 as the wife of President Richard Nixon and as second lady of the United States from 1953 to 1961 when her husband was vice president. Born in Ely, Nevada, she grew up with her two brothers in what is now Cerritos, California, graduating from high school in 1929. She attended Fullerton Junior College and later the University of Southern California. She paid for her schooling by working multiple jobs, including pharmacy manager, typist, radiographer, and retail clerk. In 1940, she married lawyer Richard Nixon and they had two daughters, Tricia and Julie. Dubbed the "Nixon team," Richard and Pat Nixon campaigned 
Title: David Nixon (magician)
Content:  Nixon married Margaret Burton in 1947; the couple divorced in 1952. Later the same year, Nixon married his second wife, Paula Marshall (Pauline E. Youngs), who worked with him in his act. Paula died aged 28 in a car crash in 1956, the year after the birth of their son Nicholas. Nixon remarried in 1961 to Vivienne Nichols, the daughter of the bandleader Eric Robinson. The couple had a daughter, Mandy (Amanda E Nixon), in 1961.
Title: Lewis Nixon III
Content:  On December 20, 1941, Nixon married Katharine Page of Phoenix, Arizona. That marriage failed, as did the next. He married his third wife, Grace Umezawa, in 1956. She had been a student in California in the spring of 1942 when the President ordered the internment of Japanese Americans. Richard Winters served as the best man at the wedding. Nixon got his life back together and overcame his alcoholism during their marriage. They had no children. Nixon's sister Blanche died in 1955 after self-inflicted gun wounds.
Title: Allan Nixon
Content:  Nixon met actress Marie Wilson while they were filming Rookies on Parade. Wilson was still engaged to director Nick Grinde when she and Nixon eloped in 1942. After two separations and reconciliations, they divorced in 1950 following years of stress due to Nixon's underemployment, and public embarrassments due to Nixon's tendency to get into violent altercations and drive under the influence of alcohol. Nixon married three more times. His second marriage, to Alma Hammond, was annulled shortly after it took place in 1954. He and his third wife, Velda May Paulsen, got into a violent altercation that made headlines in early 1958. Paulsen 
Title: Marni Nixon
Content:  In 1950, Nixon married the first of her three husbands, Ernest Gold, who composed the theme song to the movie Exodus. They had three children, including singer and songwriter Andrew Gold. They divorced in 1969. She was married to Lajos "Fritz" Fenster from 1971 to 1975, and to woodwind player Albert Block from 1983 to his death in 2015. Nixon survived breast cancer in 1985 and 2000 but died from the disease on July 24, 2016, in New York, aged 86.
Title: Fullerton College
Content: Pat Nixon &mdash; wife of former President Richard M. Nixon and First Lady of the United States from 1969 to 1974 
Title: John Trice Nixon
Content:  Nixon married Betty C. Nixon, later a Nashville city councilor. They had two daughters, Mignon, and Anne, the former who is a professor at University College London (UCL) in London. The Nixons were divorced prior to Mrs. Nixon's death in 2016. Nixon died on December 19, 2019, in Los Angeles, California.

Question: who was richard nixon married to?
Answer: Pat Nixon.