Born in to a conservative aristocratic family, she became a communist militant and directed the Foreign Press Office of the Second Spanish Republic.

[2] Constancia married for the first time Manuel Bolín from Málaga (brother of Luis Bolín, censor of the foreign press in Franco's provisional government), with whom she had a daughter, and later with the general and Commander of the Republican Air Force, Ignacio Hidalgo de Cisneros.

[1] She was appointed censor and head of the Republican Foreign Press Office, based in Valencia.

[4] After the defeat of the Spanish Republic, de la Mora went into exile in Mexico, where she published her autobiography Doble esplendor (In Place of Splendor).

[1] Her friend Nancy Johnstone, the writer and erstwhile hotelier, was with her in the car and survived the crash, but disappeared in mysterious circumstances shortly afterwards.