Question: Emil Lewis Holmdahl fought under which Mexican Revolutionary general?

Context paragraphs:
Pancho Villa: Francisco "Pancho" Villa (born José Doroteo Arango Arámbula; 5 June 1878 – 20 July 1923) was a Mexican Revolutionary general and one of the most prominent figures of the Mexican Revolution.

Joaquín Amaro: Joaquín Amaro Domínguez (August 16, 1889 – March 15, 1952) was a Mexican revolutionary general and military reformer.  He served as Secretary of War in the cabinets of Presidents Plutarco Elías Calles, Emilio Portes Gil, and Pascual Ortiz Rubio, making him one of the longest-serving cabinet-level officials in Mexican history.  His ambitious reforms of the fractious Mexican military transformed the armed forces from a political partisan to an armed force loyal to the president and government.  He accomplished this "through a process of cultural reeducation that replaced an entrenched tradition of militarism with one emphasizing such values as discipline, duty, honor, and loyalty to the civilian government."

Emil Lewis Holmdahl: Emil Lewis Holmdahl (August 26, 1883 – April 8, 1963) was a machine gunner, soldier of fortune, spy, gun runner, and treasure hunter who fought under John J. Pershing in the Spanish–American War in the Philippines, under Lee Christmas in Central America, under Francisco Madero, Pancho Villa, and Venustiano Carranza in the Mexican Revolution, and under John J. Pershing in World War I.  In 1926, Holmdahl was accused of having stolen Francisco Pancho Villa's head.

Juan Carlos Caballero Vega: Juan Carlos Caballero Vega (June 24, 1900 – March 30, 2010) was a Mexican revolutionary.  Caballero worked as the personal driver and chauffeur for Mexican Revolutionary general Pancho Villa for more than two years.

Víctor Rosales: In the Mexican War of Independence, Rosales served as commander in the Mexican Revolutionary Army under Ignacio López Rayón.  He served with distinction in the Battle of Zacatecas.  In 1817 Rosales was named commander-in-chief of the Mexican Revolutionary Army in Michoacán.  He was killed in action on 20 May 1817, during the Battle of Ario, Michoacán against the Spanish royalists.  For his actions he was posthumously awarded as Deserving Citizen in Heroic Degree by the Mexican Congress.  His name is displayed in golden letters at the Honour Wall of the Palacio Legislativo de San Lázaro in Mexico City, Mexico.

Isidoro Montes de Oca: Isidoro Montes de Oca (1789–1847) was a Mexican-Filipino revolutionary general who fought in the Mexican War of Independence between 1810 and 1821.  He was among the commanders of the army of Vicente Guerrero and José María Morelos.  And was a trusted man of Vicente Guerrero and was his lieutenant-commander.

Pancho Villa Returns: Pancho Villa Returns is a 1950 film directed by Miguel Contreras Torres and starring Leo Carrillo as the legendary Mexican revolutionary general, Pancho Villa.

Vicente Guerrero Dam: General Vicente Guerrero Dam (Spanish: "Presa Vicente Guerrero" ), also known as Las Adjuntas Dam, is a dam in the Mexican state of Tamaulipas.  It was constructed in 1971 for irrigation and public use.  It was named for Vicente Guerrero, a revolutionary general of the Mexican War of Independence.

Domingo Arenas: Domingo Arenas (1888-1918) was a Mexican revolutionary from the state of Tlaxcala.  Born in the Nahua community of Zacatelco, he was raised as a farmer and worked as a shepherd, bread salesman and factory worker.  At the beginning of the Mexican Revolution he join the forces of Francisco I. Madero, and at the fall of Madero joined the Zapatistas against the Constitutionalists by signing the Plan de Ayala.  Discontent with how the Zapatistas treated the locals of Tlaxcala he switched to support Venustiano Carranza against Emiliano Zapata.  In 1916 he was killed by Zapatista general Gildardo Magaña in a botched parlay.  At the height of their influence the Arenistas controlled most of Tlaxcala and Southern Puebla.  The municipality of Domingo Areans is named after him.

Juan Andreu Almazán: Gen. Juan Andreu Almazán (May 12, 1891 – October 9, 1965) was a Mexican revolutionary general, politician and businessman.  He held high posts in the Mexican Army in the 1920s and ran for the presidency of Mexico in 1940 in a highly disputed election, after having accumulated great wealth from construction.

Supporting paragraphs: Emil Lewis Holmdahl Pancho Villa
Answer: Francisco "Pancho" Villa