Question: Who is the oldest Selmon brother?

Context paragraphs:
Kosta Tsonev: Kosta Tsonev (Bulgarian: Коста Цонев ; 10 June 1929 – 25 January 2012) was a Bulgarian actor of Greek heritage starring in theatre, TV and cinema.  He was born on 10 June 1929 in the capital of Bulgaria, Sofia.  He studied at the National Academy for Theatre and Film Arts.  He has been married three times: twice to Anahid Tacheva and then to his present wife Elena.  He has a son, famed news reader Dimitar Tsonev, and a daughter.  His second oldest brother was the late Vasil Tsonev, a dry witted satirist who wrote many books which have been published in several languages.  His oldest brother was the late Iwan Tsonev (Iwan Zoneff) who moved to Australia in 1950s where he became one of the biggest property developers in South Australia during the mid 60's showing the diverse talents of the 3 brothers in each of their chosen fields.  The father of the three brothers was a simple house painter.

Dick Donato: Richard Louis Donato (born June 24, 1963) is a bar manager from Los Angeles, California.  He was the winner of the reality game show "Big Brother 8".  He and his daughter, Daniele Donato, are the only family member pair to win the American "Big Brother" program's top two prizes in the same competition.  Dick holds the record as the show's oldest winner (age 44 at the time), and Daniele is the youngest person (having turned 21 during the competition) ever to win one of the American program's top two prizes.  Dick returned for Season 13 of Big Brother as a team with his daughter Daniele, but departed the show citing "personal reasons" during the first week.  In 2014, Donato announced that the reason he departed the show was due to a positive HIV diagnosis.

Charles d'Aubigné, Comte d'Aubigné: Charles d'Aubigné, Count of Aubigné (1634–1703) was the brother of Françoise d'Aubigné, Marquise de Maintenon, the second wife of King Louis XIV of France.  The king showered gifts and titles upon his new wife's brother (full sibling, she had two, the oldest brother was a half sibling Theodore Agrippa II) upon their marriage; in a letters patent Louis conferred upon him the titles of Comte d'Aubigné et Pair de France, Marquis de Maintenon, Duc de Saint-Cloud, Baron de Surimeau, Maréchal de France et Chevalier du Saint-Esprit (reçu le 31 décembre 1688), along with the style of Son Altesse Serenissime (His Most Serene Highness), a dignity normally reserved only for the Princes of the Blood.  While he did not receive his sister's title until her death the combination of Serenity, being a member of the most prestigious chivalric order in France at that time, the Order of the Holy Spirit, as well as having his father's title restored to him as well as made a peer, which was not automatic in France for nobles as in England, put him in a most wonderful position at court.

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.

Chen Je-chang: Chen Je-chang (; born December 30, 1973 in Taiwan) is a Taiwanese baseball player who currently plays for Brother Elephants of Chinese Professional Baseball League.  He currently plays as catcher and bullpen coach for the Elephants.  He is the oldest current player of Brother Elephants.  Besides, His younger brother is Chen Je-cheng(陳瑞振), who plays as third baseman in the same team.  particularly, he has been hit by pitcher 100 times in baseball career, also CPBL highest record.

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.

St. John's College High School: St. John's College High School in Washington, D.C., established in 1851, is the second oldest Catholic Christian Brother's school in the United States, and the oldest Army JROTC school.  It was founded by Brother John of Mary, F.S.C., and two other Christian Brothers in St. Matthew's parish, 15th and G Streets.

Kiss Serious: Kiss Serious is the second album from singer Chico DeBarge.  It was the last album released before his drug arrest with oldest brother Bobby DeBarge of Switch fame.  After the albums release, Bobby DeBarge died 9 years later of AIDS before his brother Chico returns with release of 1997's "Long Time No See", which released two years after his older brother's death.

List of Big Brother (UK) housemates: Since the start of Big Brother in 2000 there have been a total of 253 civilian, ten Panto, eight teen, 12 "" and 14 ultimate housemates; 120 men and 133 women.  There have been 18 winners of "Big Brother"; ten men and eight women.  The youngest winner is Brian Belo, who was 20 at the time of winning "Big Brother 8", and the oldest is Jason Burrill, who was 45 when he won "Big Brother 17".  Winners Nadia Almada and Luke Anderson have both had gender correcting surgery.

List of Big Brother Australia housemates: Since the start of Big Brother Australia in 2001 there have been a total of 211 housemates.  There have been 9 winners of "Big Brother"; six men and three women.  The youngest winner is Aleisha Lee Cowcher, who was 20 at the time of winning "Big Brother 7", and the oldest is Terri Munro, who was 52 when she won "Big Brother 8".

Supporting paragraphs: Dewey Selmon Lee Roy Selmon
Answer: Lucious