She was born in Paris, the non-marital daughter of the Mexican artist Diego Rivera and his mistress, the Russian-born painter Marie Vorobieff-Stebelska (``Marevna''). Rivera, who was married to Angelina Beloff at the time, did not accept his daughter. So _she_ grew up under the care of her mother. <sep>, Pronoun: she <sep>, A: Rivera <sep>, B: Angelina Beloff