The family is one of the most notable in Oklahoma, producing Democratic politicians including Lyle Boren (1909–1992), U.S. Representative for Oklahoma's 4th district from 1937 to 1947, his son David Boren (born 1941), Governor of Oklahoma from 1975 to 1979, U.S. Senator from 1979 to 1994, and current President of the University of Oklahoma since 1994, and his grandson Dan Boren (born 1973), a Blue Dog who was the U.S. Representative for Oklahoma's 2nd district from 2005 to 2013.
Cowboy Pink Williams, born Simeon Pinckney Williams (April 9, 1892 – April 1, 1976), was an Oklahoma politician who was the seventh Lieutenant Governor of Oklahoma from 1955 to 1959 and Oklahoma State Treasurer from 1963 to 1967.
David Lyle Boren (born April 21, 1941) is an American university administrator and politician from the state of Oklahoma.
 A member of the Democratic Party, he served as the 21st governor of Oklahoma from 1975 to 1979 and in the United States Senate from 1979 to 1994.
 He is currently the 13th president of the University of Oklahoma.
 He was the longest serving chairman of the Senate Select Committee on Intelligence.
 David Boren officially announced his retirement as president of the University of Oklahoma, effective June 30, 2018.
Mabel Luella Bourne Bassett (August 16, 1876 – 1953) was a Democratic Oklahoma politician who served as the state's Commissioner of Charities and Corrections from 1923 until 1947.
 Born in Chicago, Bassett lived in St. Louis before moving to Sapulpa, Oklahoma in 1902.
 Prior to seeking political office, she founded the Creek County Humane Society, one of the first humane societies in Oklahoma.
 Once in office, Bassett was responsible for establishing a women's unit of the Oklahoma State Penitentiary and transferring African-American juvenile delinquents from the state penitentiary to a training school in Boley.
 Bassett also campaigned for a seat in the U.S. House of Representatives in 1932; however, she lost to fellow Democrat Will Rogers.
 Buck Cook replaced Bassett as Commissioner of Charities and Corrections in 1947, at which point Bassett retired from politics.
 Upon her death in 1953, she lay in state in the Oklahoma State Capitol.
Allen Williamson (fl.
 c. 1970) is a former Oklahoma politician who served in the Oklahoma House of Representatives from 1966 to 1974.
 He is related to James Allen Williamson, an Oklahoma State Senator elected in 1996.
The 1978 Oklahoma gubernatorial election was held on November 7, 1978, to elect the Governor of Oklahoma.
 Incumbent Republican Governor David L. Boren chose not to run for re-election to a second term in office.
 Instead Boren decided to run for the United States Senate.
 Former Governor, and sitting Lieutenant Governor George Nigh was elected, defeating Republican nominee Ron Shotts.
Harry E. Bailey (died October 26, 1976) was an Oklahoma politician who was instrumental in the growth of the Oklahoma turnpike system.
Daniel David Boren (born August 2, 1973) is a retired American politician, who served as the U.S. Representative for Oklahoma 's 2 congressional district from 2005 to 2013.
 The district includes most of the eastern part of the state outside of Tulsa.
 He is a member of the Democratic Party.
Jim Wilson was an Oklahoma Senator from District 3, which includes Adair, Cherokee and Sequoyah counties, from 2004 to 2012.
 He earlier was a member of the Oklahoma House of Representatives from 2000 through 2004.
 He ran unsuccessfully against Democratic Incumbent US Rep. Dan Boren in Oklahoma's 2nd Congressional District in the July 27 Democratic primary.
Markwayne Mullin (born July 26, 1977) is an American politician and businessman who has been the United States representative for Oklahoma's 2nd congressional district since 2013.
 He owns several businesses, which he took over at twenty, when his father became ill.
 Mullin, a member of the Republican Party, was elected to the U.S. House of Representatives in the 2012 elections, succeeding Democratic representative Dan Boren.

Question: Which Oklahoma politician served in the Senate, Dan Boren or Jim Wilson?
Answer: Jim Wilson