Newton Earp Newton Jasper Earp ( October 7 , 1837 – December 18 , 1928 ) was the eldest child of Nicholas Porter Earp , patriarch of the famous Earp family . While he was the little - known half - brother of Old West lawmen Wyatt , Virgil , and Morgan Earp , Newton remained close to his father and half - siblings , residing in Iowa , Missouri , Kansas , California , Nevada and Arizona near other members of the Earp family . Early life and Civil War service . Newton was born in Ohio County , Kentucky , to Nicholas and his first wife , Abigail Storm ( also spelled " Sturm " in family records ) . Abigail died at age 26 on October 8 , 1839 in Hartford , Kentucky just eight months after the birth of their second child , daughter Mariah Ann Earp . Mariah then died two months after Abigail on December 13 , 1839 . Now a widower and single father , Nicholas married local girl Virginia Cooksey in July 1840 . Separated by only three and five years respectively , Earp and half - brothers James and Virgil , were close for their entire lives ; Newton named his first - born son ( born on August 25 , 1872 ) after his not - yet - famous younger brother , Wyatt , and his second son ( born April 19 , 1880 ) after his younger brother Virgil . Morgan and Warren on the other hand , were much younger and never particularly close to their older half - brother . At the outbreak of the Civil War , Newton enlisted in the Union Army , along with both James and Virgil on November 11 , 1861 . Newton served with Company F of the Fourth Cavalry , Iowa Volunteers , and was promoted to fourth corporal on January 1 , 1865 . James was badly wounded in a battle near Fredericktown , Missouri and returned home only months after his enlistment . Virgil and Newton served the entire war , fighting several battles in the east with Newton mustering out of the Army on June 26 , 1865 in Louisville , Kentucky . Post Civil - War . Sometime after Earp ' s return from the American Civil War , he married Nancy Jane ( Jennie ) Adam . After marrying Jennie in Marion County , Missouri , the newlyweds joined his father Nicholas and the other Earps in Southern California , where most of the family had relocated . Once in California , Newton originally worked as a saloon manager . After Newton and Jennie returned to the midwest in 1868 , this time in Lamar , Missouri , Earp took up farming . Their first child , Effie May , was born on May 6 , 1870 in Philadelphia , Missouri . Their second child , Wyatt Clyde , was born on August 25 , 1872 in Kansas . The birth of Wyatt was followed by Mary Elizabeth , born also August 25 , in Kansas , 1875 ; Mary Elizabeth later died at 10 years of age in 1885 . Alice Abigail was born on December 18 , 1878 in Kansas and then Virgil Edwin around 1879 , also in Kansas . Later life . After another Earp family relocation to California , Newton became a carpenter , building homes in northern California as well as northwestern Nevada . Unlike his more famous brothers , he never entered law enforcement . Newton ' s five children later married and raised families of their own : Effie May married Elias Erdman ; Wyatt Clyde married Virginia I . Tambert ; Alice Abigail married Warren Hurt in 1896 , John Wells in 1898 , and then Robert Carson after 1900 ; Virgil Edwin married Grace J . Scott . Both Earp ' s daughter Effie May and wife Jennie died on March 29 , 1898 in Paradise Hill , Nevada , also known as Paradise Valley , while Newton died thirty years later in Sacramento , California , on December 18 , 1928 . He is buried in Sacramento ' s East Lawn Memorial Park Cemetery .