César Basa was born on 21 June 1915 to Fernando Basa and Rosario Tianko of Isabela, Negros Occidental. He finished his primary education in his home town, until the family moved to Manila, where his parents enrolled him at the Ateneo de Manila University.
César Basa was born on June 21, 1915, in Isabela, Negros Occidental, to Fernando Basa and Rosario Tianko. He completed his primary education in his hometown before his family moved to Manila, where they enrolled him at the Ateneo de Manila University.