Her marriage with Che Guevara is reported to have happened both on 23 March 1959 and 2 June 1959, after his divorce from Hilda Gadea. A civil ceremony was held at La Cabana Military fortress. After the June 2 marriage, Guevara and Aleida went to Tarara, a seaside resort town 20 kilometers from Havana for their honeymoon. The couple had four children together: Aleida, Camilo, Celia, and Ernesto.
She is the author of the book Evocation which is about her falling in love and marrying Che Guevara, and raising their four children after his death.