Complex sentence: She met Wayne in 1941 in in Mexico City while he was vacationing there, and accompanied him to the set of the film "The Quiet Man", even though, at the time, he was still married to his first wife, Josephine Alicia Saenz.
Split into simpler sentences: She met Wayne in 1941 in in Mexico City and accompanied him to the set of the film "The Quiet Man". At the time, he was still married to his first wife, Josephine Alicia Saenz.