Question: Who is the father of the suspected U.S.-born Mexican drug lord Rubén Oseguera González?
Context: Pedro Avilés Pérez was a Mexican drug lord in the state of Sinaloa in the late 1960s.  He is considered to be the first generation of major Mexican drug smugglers of marijuana.  He was also the first known drug lord to use an aircraft to smuggle drugs to the United States. Gustavo González Castro (born 1 July 1973), commonly referred to by his alias "El Erótico" ("The Erotic One"), is a Mexican drug lord and founding member of Los Zetas, a criminal organization originally formed by ex-commandos from the Mexican Armed Forces.  He joined the Mexican Army as an infantry soldier in 1990, and ascended to the corporal unit five years later.  By 1999, however, González Castro had resigned and began working for the Gulf Cartel and Los Zetas along with several former military men. In June 2015, he was arrested in Jalisco along with his brother-in-law Rubén Oseguera González (alias "El Menchito"), and imprisoned at the Federal Social Readaptation Center No. 1, Mexico's maximum-security prison.  He was released a month later for lack of evidences.  Mexican federal authorities re-arrested him in April 2016 for his alleged involvement in the CJNG. Elvis González Valencia (born October 12, 1980), commonly referred to by his alias El Elvis, is a suspected Mexican drug lord and high-ranking leader of the Jalisco New Generation Cartel (CJNG) and Los Cuinis, two allied criminal groups based in Jalisco.  He was reportedly responsible for managing international drug trafficking operations and money laundering schemes under his brother Abigael González Valencia (alias "El Cuini") and brother-in-law Nemesio Oseguera Cervantes (alias "El Mencho"). Efraín Teodoro Torres (died 3 March 2007) was a Mexican suspected drug lord and one of the founders of Los Zetas, a criminal organization formed by former soldiers of the Mexican Armed Forces.  He joined the Mexican Army in mid-1991 but deserted after seven years of service.  In 1998, Torres was recruited by the drug lord Osiel Cárdenas Guillén to join the ranks of the Gulf Cartel, a drug trafficking organization.  The new group formed by ex-commandos came to be known as Los Zetas. Gerardo González Valencia (born  1976 ) is a suspected Mexican drug lord, money launderer, and former high-ranking leader of Los Cuinis, a criminal group based in Jalisco and allied to the Jalisco New Generation Cartel (CJNG).  He is the brother of Abigael González Valencia (alias "El Cuini"), the former leader of Los Cuinis and the CJNG.  He was allegedly responsible for coordinating international money laundering schemes by using shell companies to purchase assets in Latin America, Europe, and Asia. Antonio Oseguera Cervantes (born August 20, 1958), commonly referred to by his alias Tony Montana, is a suspected Mexican drug lord and former high-ranking leader of the Jalisco New Generation Cartel (CJNG), a criminal group based in Jalisco.  His brother is Nemesio Oseguera Cervantes (alias "El Mencho"), the leader of the CJNG and one of Mexico's most-wanted drug lords.  In Mexico, he was formally charged in 2015 for drug trafficking and being in possession of military-exclusive firearms. Rubén Oseguera González (born February 14, 1990), commonly referred to by his alias El Menchito, is a suspected U.S.-born Mexican drug lord and former high-ranking leader of the Jalisco New Generation Cartel (CJNG), a criminal group based in Jalisco.  He is the son of Nemesio Oseguera Cervantes (alias "El Mencho"), one of Mexico's most-wanted drug lords.  Under his father, he allegedly worked as the CJNG's second-in-command and managed international drug trafficking operations. Nemesio or Rubén Oseguera Cervantes (born July 17, 1966), commonly referred to by his alias El Mencho, is a suspected Mexican drug lord and leader of the Jalisco New Generation Cartel (CJNG), a criminal group based in Jalisco.  He is one of Mexico's most-wanted men, and the U.S. government is offering up to US$5 million for information that leads to his arrest and/or conviction.  He is wanted for drug trafficking, organized crime involvement, and illegal possession of firearms.  He is reportedly responsible for coordinating drug trafficking operations in the Americas, Europe, Asia, and Africa.  Under his command, the CJNG became one of Mexico's leading criminal organizations. Abigael González Valencia (born October 18, 1972), commonly referred to by his alias El Cuini, is a suspected Mexican drug lord and former leader of the Jalisco New Generation Cartel (CJNG), a criminal group based in Jalisco.  He was also the head of Los Cuinis, an organization allied to the CJNG.  Along with his brother-in-law Nemesio Oseguera Cervantes (alias "El Mencho"), one of Mexico's most-wanted men, González Valencia reportedly coordinated international drug trafficking operations in the Americas, Europe, and Asia.  He was also responsible for managing the financial operations of the CJNG and Los Cuinis.
Answer: Nemesio Oseguera Cervantes