Óscar East. Duplan Maldonado was the Mexican ambassador to Colombia from 1933 to 1934.
He was born on April 17, 1890, in Pichucalco, Mexico to Doctor Ernesto Duplán.
He attended the Model School of Orizaba and Universidad Veracruzana and Universidad Popular Autónoma del Estado de Puebla but did not graduate. He joined the diplomatic service as a secretary at the Embassy of Mexico, Washington, District of Columbia under Eliseo Arredondo. He served as Ambassador of Mexico to Colombia from 1933 to 1934