Which woman was the sister of XXX?
Pina Pellicer
Josefina Yolanda Pellicer López de Llergo (April 3, 1934 -- December 4, 1964), professionally known as Pina Pellicer, was a Mexican actress known in Mexico for portraying the female lead in Macario (1960), and in the United States as Louisa alongside Marlon Brando in the Brando-directed movie One-Eyed Jacks (1961).