Question: Who is the oldest Selmon brother?

full_context: Document 1: Roy Williams (safety): Roy Lee Williams (born August 14, 1980), is a former American college and professional football player who was a safety in the National Football League (NFL) for nine seasons. He played college football for the University of Oklahoma, and was recognized as a unanimous All-American. He was drafted by the Dallas Cowboys eighth overall in the 2002 NFL Draft, and played professionally for the Cowboys and Cincinnati Bengals. He earned five straight Pro Bowl selections from 2003 to 2007. Williams is currently a sideline reporter for Oklahoma football games.
Document 2: Lee Roy Selmon: Lee Roy Selmon (October 20, 1954 – September 4, 2011) was an American football player and college athletics administrator. He played college football as a defensive tackle at the University of Oklahoma, the youngest of three Selmon brothers to play football there.
Document 3: Chuck Howley: Charles Louis "Chuck" Howley (born June 28, 1936) is a former American football linebacker who played in the National Football League (NFL) for 15 seasons, primarily with the Dallas Cowboys. Howley was a member of the Chicago Bears in his first two seasons and spent the remainder of his career with the Cowboys. He was named the MVP of Super Bowl V and is the only player on a losing team to receive the award.
Document 4: Howard Keys: Howard Newton "Sonny" Keys was an American football offensive lineman in the National Football League from 1960 to 1965 with the Philadelphia Eagles. He was born in Orlando, Oklahoma, on January 24, 1935. Sonny was a star athlete for the Pioneers at Stillwater High School in Stillwater, Oklahoma where he played football, basketball, baseball and track. He was named to the Oklahoma All-State football team and played in the All Stars game and the Oil Bowl. His high school named Sonny "Mr. Pioneer." He played all positions on the line, including center. He went to college at Oklahoma State University in Stillwater. At OSU, he was part of the Cowboys championship Blue Grass Bowl game which was broadcast by Howard Cosell. Sonny is described as a "mauling defender" in OSU's Heritage Hall Museum in historic Gallagher-Iba Arena. He was drafted in the 12th round of the 1959 NFL Draft. He was a part of Buck Shaw's 1960 NFL Championship season. He played five seasons with the Eagles and was known for knowing and playing every position on the offensive line. His family was featured in many local advertisements including Food Fair and a dairy distributorship. His teammate, Tommy McDonald, cited a tough Sonny Keys in the book "They Pay Me to Catch Footballs." In 1965, he joined Jerry Williams of the Calgary Stampeders as an assistant coach. After the Stampeders went to the Canadian Grey Cup, he chose to return to the NFL as an assistant coach with the Cleveland Browns under head coach Nick Skorich. After his death from complications of cancer in 1971, the Philadelphia Eagles dedicated their annual Christmas card to his memory. His outstanding scouting and recruiting abilities made his legacy live on in the NFL. For example, he brought fellow OSU alum, Jerry Sherk, to the Cleveland Browns, along with other top talents. As part of the 1960s world championship football team, Sonny was inducted into the city of Philadelphia Sports Hall of Fame in 2006.
Document 5: Dewey Selmon: Dewey Willis Selmon (born November 19, 1953) is a former football linebacker. He played collegiate football at University of Oklahoma, forming the defensive line with brothers Lucious and Lee Roy, among others.
Document 6: Bill Johnson (center): William Levi Johnson, Sr. (September 14, 1926 – January 7, 2011), known as Bill "Tiger" Johnson, was a professional football player and coach. He was born in Tyler, Texas, where he was raised by his single mother and five older siblings. Among his siblings was older brother Gilbert Johnson, who played quarterback at Southern Methodist University with the iconic running back Doak Walker. Bill was a legendary football and baseball star for Tyler Junior College and Texas A&M University, and graduated from Stephen F. Austin State University. He played center for the San Francisco 49ers from 1948 to 1956.
Document 7: Ron Lee: Ronald Henry Lee (born November 2, 1952) was an All-American basketball player for the University of Oregon, and epitomized the "Kamikaze Kids" under coach Dick Harter with his all-out, fearless hustle and relentless desire to win. Born in Boston, Massachusetts, Lee played four seasons for the Ducks between 1972 and 1976. The Phoenix Suns made him the tenth selection in the NBA draft in 1976. Despite not playing football in high school and college, the NFL's San Diego Chargers also made him a 12th round selection in the 1976 NFL draft. In the NBA, Lee was named to the 1977 NBA All-Rookie Team and led the NBA in steals the following season. Overall, Lee had a solid, but not spectacular career as a reserve, and became a fan favorite because of his effort on the court.
Document 8: Glenn Dorsey: Glenn Jamon Dorsey (born August 1, 1985) is an American football nose tackle who is currently a free agent. He played college football for Louisiana State University (LSU), received All-America honors twice, and was recognized as the top college defensive player of the 2007 season. He was drafted by the Kansas City Chiefs with the fifth overall pick in the 2008 NFL draft.
Document 9: Dewey Luster: Dewey William "Snorter" Luster (February 1, 1899 – October 13, 1980) was an American football player and coach. He served as the head football coach at the University of Oklahoma from 1941 to 1945, compiling a record of 27–18–3. Luster was also a player on the Oklahoma Sooners football team from 1917 to 1920 under head coach Bennie Owen and was the captain of the 1920 undefeated team.
Document 10: Brian Bosworth: Brian Keith Bosworth (born March 9, 1965), nicknamed "The Boz," is a former American professional football player who played as a linebacker for the Seattle Seahawks in the National Football League (NFL). Bosworth played college football for the University of Oklahoma, and was a two-time consensus All-American. He gained fame and notoriety through his flamboyant personality, controversial comments about the National Collegiate Athletic Association (NCAA) and radical hair cuts. Bosworth was less successful in the NFL and injuries forced him to retire after three seasons.
Document 11: Derrick Brooks: Derrick Dewan Brooks (born April 18, 1973) is an American former football linebacker who played in the National Football League (NFL) for fourteen seasons. He played college football for Florida State University, and was twice recognized as a consensus All-American. He was drafted by the Tampa Bay Buccaneers in the first round of the 1995 NFL Draft, where he played his entire professional career. An eleven-time Pro Bowl selection and nine-time All-Pro, Brooks was named AP NFL Defensive Player of the Year in 2002, and earned a championship ring with the Buccaneers in Super Bowl XXXVII. Later, he was elected to the 2000s all decade defensive team. He was elected to the Pro Football Hall of Fame in 2014 and is currently a co-owner and president for the Tampa Bay Storm of the Arena Football League.
Document 12: Doak Walker: Ewell Doak Walker Jr. (January 1, 1927 – September 27, 1998) was an American football player. He played college football as a halfback at Southern Methodist University (SMU), where he won the Heisman Trophy in 1948. Walker then played professionally in the National Football League (NFL) with the Detroit Lions for six seasons, from 1950 to 1955.
Document 13: Doug Wyatt: John Douglas Wyatt Doug Wyatt is a former professional American football player who played defensive back in the National Football League for five seasons for the New Orleans Saints and Detroit Lions. Wyatt was a three-time all-Missouri Valley Conference selection as a defensive back for the Golden Hurricane in 1967, '68 and '69. Also returned punts and handled field goal kicking and PATs his sophomore and junior seasons. Tallied a team-high eight pass breakups and was second in tackles with 72 stops as a junior in 1968. Was looked at to be Dallas Cowboys number one draft pick in the 1969 draft to play strong safety, however Doug underwent knee surgery in the spring before his senior season after an injury on the practice field. As a senior, Wyatt came back to lead Tulsa in interceptions and pass breakups with five pick offs for 41 yards and 10 pass breakups while recording 66 tackles. Had totals of 53 points as a sophomore and 25 points his junior season on conversions and field goals, and also totaled 312 yards on 25 punt returns in those two seasons. Played in the Hula Bowl after his senior campaign. Wyatt, before the draft was helping the state of Texas with highway cleanup in 1969, when he picked up a 7 up bottle that had been lying on the highway easement. When he rinsed off the bottle, it exploded from the Texas heat and a piece of shrapnel hit him in his left eye. Wyatt has been blind in that eye to this day. However Doug never disclosed his injury to anyone. Wyatt, was taken in the 17th round as a gamble, but ended up starting the first game for the New Orleans Saints playing blind in one eye every play.Wyatt started 3 seasons with the Saints and was traded to Detroit. Doug played 2 seasons in Detroit .Doug Wyatt was inducted to the Tulsa HOF in 2006 for Football...He is still an avid Saints & Lions Fan. He currently resides in Tyler, Texas
Document 14: Billy Sims: Billy Ray Sims (born September 18, 1955) is a former American college and professional football player who was a running back in the National Football League (NFL) for five seasons during the 1980s. Sims played college football for the University of Oklahoma, where he was a two-time consensus All-American, and won the Heisman Trophy in 1978. He was the first overall pick in the 1980 NFL Draft, and played professionally for the NFL's Detroit Lions. Sims was the last Oklahoma player taken Number 1 overall in the NFL Draft until quarterback Sam Bradford was taken first in the 2010 NFL Draft. He was given the nickname "Kung Fu Billy Sims" by ESPN's Chris Berman, after a game where the Detroit Lions played the Houston Oilers. In the NFL Films highlight, rather than be tackled during a rushing attempt, Sims ran at, jumped, and, while fully airborne, kicked Oilers Cornerback Steve Brown in the head.
Document 15: Gerald McCoy: Gerald Keith McCoy Jr. (born February 25, 1988) is an American football defensive tackle for the Tampa Bay Buccaneers of the National Football League (NFL). He played college football at Oklahoma, where he earned consensus All-American honors, and was drafted by the Buccaneers third overall in the 2010 NFL Draft. Since joining the Buccaneers and the NFL, he has been selected to the Pro Bowl five consecutive years.
ground_truth: Lucious