 He was named for his paternal grandfather, Cesario Chavez, a Mexican who had crossed into Texas in 1898.Cesario had established a successful wood haulage business near Yuma and in 1906 bought a farm in the Sonora Desert's North Gila Valley.Cesario had brought his wife Dorotea and eight children with him from Mexico; the youngest, Librado, was Cesar's father.