Antonio Her father was a supporter for the Estatut de la Generalitat and one of the founders of Esquerra Republicana party.
María Soteras was the first woman to graduate with a degree in law from the University of Barcelona and she was also a member of the Colegio de Abogados.
She received all her education in Mexico, from primary school and then six years of French baccalauréat at the Liceo Franco Mexicano.
She enrolled in the School of Liberal Arts at the Universidad Nacional Autónoma de México, where she studied for a master's degree in Spanish literature.
In 2007, Una mujer, dos hombres y un balazo was performed in Bogotá, Colombia, produced by the Universidad Estatal.
Researcher María Elena Reuben, of Hofstra University (New York), compiled a bibliography of Vilalta's work.